Department of Pulp Biology and Endodontics

364  articles.  
* There may be some overlapped articles listed due to the difference of format.

  1. 1. Alghamdi F, Ren C, Tazawa K, Liu S, Zhou C, Takahashi J, Ishidori M, Ohshima R, Kawashima N, Okiji T, Yahata Y.: Metformin suppresses periapical bone resorption in a mouse model of apical periodontitis in vivo and inhibits RANKL-induced osteoclastogenesis in vitro J Oral Biosci. 2026.07; 68 100799.

  2. Alghamdi F, Ren C, Tazawa K, Liu S, Zhou C, Takahashi J, Ishidori M, Ohshima R, Kawashima N, Okiji T, Yahata Y: Metformin suppresses periapical bone resorption in a mouse model of apical periodontitis in vivo and inhibits RANKL-induced osteoclastogenesis in vitro. Journal of oral biosciences. 2026.07; 68 (4): 100799. ( PubMed , DOI )

  3. Ohshima Risa, Quispe-Salcedo Angela, Ohshima Hayato, Kawashima Nobuyuki, Okiji Takashi, Yahata Yoshio: Osteopontin deficiency disturbs dentin bridge formation after direct pulp capping with mineral trioxide aggregate(タイトル和訳中) Journal of Oral Biosciences. 2026.02; 68 (1): j.job.2026.100740. ( ichushi )

  4. 福林冬花，田澤建人，八幡祥生: ２型糖尿病が歯髄壊死を認める歯における根尖性歯周炎の大きさ, エンドトキシン濃度, および細菌数に及ぼす影響 ザ・クインテッセンス. 2026.02; 45 (2): 198-200.

  5. Ohshima R, Quispe-Salcedo A, Ohshima H, Kawashima N, Okiji T, Yahata Y: Osteopontin deficiency disturbs dentin bridge formation after direct pulp capping with mineral trioxide aggregate Journal of Oral Biosciences. 2026.01; 1 (68):

  6. Risako Yamamoto , Keiichiro Maki , Shunsuke Kimura , Satoshi Omori , Keiko Hirano , Arata Ebihara , Yoshio Yahata , Takashi Okiji: Impact of Downward Load and Rotational Kinematics on Root Canal Instrumentation with a Heat-Treated Nickel–Titanium Rotary Instrument materials. 2026.01; 19 (1): 108. ( DOI )

  7. Toyoda K, Kimura S, Maki K, Omor Si, Hirano K, Ebihara A, Okij Ti: Effect of different downward loads and rotational speeds on the removal of gutta-percha and root canal sealer using a nickel-titanium rotary gutta-percha removal system: an ex vivo study Applied Sciences. 2026.01; 16 (1): 446. ( DOI )

  8. 石通昌治,牧圭一郎,八幡祥生,興地隆史: 根尖性歯周炎の治癒,歯根の伸長および根管内石灰化から評価した再生歯内療法の臨床成績 日本歯科評論. 2026.01; 126-127.

  1. Bai X, Kawashima N, Wang S, Han P, Fujii M, Sunada-Nara K, Yu Z, Okiji T, Yahata Y: MicroRNA-210 Suppresses NF-κB Signaling in Lipopolysaccharide-Stimulated Dental Pulp Cells Under Hypoxic Conditions. Int J Mol Sci. 2025.11; 26 (22): 10837. ( PubMed , DOI )

  2. Kimura S, Ebihara A, Maki K, Kyaw MS, Omori S, Okiji T: Effects of additional vertical movements on the torque, force, and root canal shaping performance of nickel-titanium rotary instruments in optimal torque reverse motion Journal of Endodontics. 2025.11; 51 (11): 1609-1616. ( PubMed , DOI )

  3. Myint PYA, Watanabe S, Okiji T: Comparative micro-computed tomography analysis of the removal efficiency of calcium hydroxide-based and calcium silicate-based intracanal medicaments Journal of Oral Science. 2025.10; 67 (3): 181-185. ( PubMed , DOI )

  4. Myint PYA, Watanabe S, Okiji T: Comparative micro-computed tomography analysis of the removal efficiency of calcium hydroxide-based and calcium silicate-based intracanal medicaments Journal of Oral Science. 2025.09; 67 (4): 181-185. ( DOI )

  5. Myint T, Ebihara A, Okiji T　 : Are endodontic nickel–titanium instruments indefectible? A fractographic analysis of a compound core manufacturing defect European Journal of Dental Dciences. 2025.08; e70037 ( DOI )

  6. Maki K, Ebihara A, Luo Y, Kasuga Y, Unno H, Omori S, Kimura S, Okiji T: Thermal Treatment Prevents Effects of Downward Loads on the Screw-In Force Generation and Canal-Centering Ability of Nickel–Titanium Rotary Instruments Materials. 2025.07; 18 3610. ( DOI )

  7. Watanabe S, Yabumoto S, Ikeda S, Okiji T: Evaluation of root and root canal morphology in maxillary first molar teeth: a cone-beam computed tomography study using two classification systems in a Japanese population Journal of Dental Sciences. 2025.07; 20 (3): 1554-1561. ( DOI )

  8. Myint PYA, Watanabe S, Chen Y, Saito R, Okiji T: Cleaning efficacy and apical pressure in sonically-activated irrigation systems: impact of tip vertical stroke Journal of Dental Sciences. 2025.07; 20 (3): 1571-1578. ( DOI )

  9. Ren C, Tazawa K, Kawashima N, Ohshima R, Okada Y, Wang S, Yu Z, Han P, Ohsugi Y, Katagiri S, Okiji T: Metformin attenuates alveolar bone destruction in mice with apical periodontitis and inhibits pro-inflammatory cytokine synthesis in lipopolysaccharide-stimulated RAW264.7 through the AMPK-mTOR-NF-κB pathway Frontiers in Immunology. 2025.07;

  10. 川島　伸之: 第14回世界歯内療法会議（The 14th IFEA World Endodontic Congress)参加報告 日本歯内療法学会雑誌. 2025.05; 46 (２): 101-107.

  11. 平野恵子，牧　圭一郎，木村俊介，大森智史，山本里沙子，豊田康氣，海老原　新，興地隆史: 根管形成法の相違が根管形成に及ぼす影響：NiTiファイル臨床使用経験のない術者における評価 日本歯内療法学会雑誌. 2025.05; 46 (2): 95-102. ( DOI )

  12. Chen Y, Watanabe S, Myint PYA, Mochizuki S, Okiji T: Comparisons of the smear layer removal efficacy of dual-action irrigants and different activation techniques Journal of Dental Sciences. 2025.04; 20 (2): 877-884. ( DOI )

  13. Watanabe S, Yabumoto S, Okiji T: Evaluation of root and root canal morphology in maxillary premolar teeth: a cone-beam computed tomography study using two classification systems in a Japanese population Journal of Dental Sciences. 2025.04; 20 (2): 927-935. ( DOI )

  14. Satake K, Shimogishi M, Watanabe T, Watanabe S, Okiji T: Homogeneity and heterogeneity of microbiota among intraradicular and extraradicular sites in terms of bacterial composition in teeth with post-treatment apical periodontitis The Journal of the Stomatological of Society, Japan. 2025.04; 92 (1): 14-36. ( DOI )

  15. Satake K, Shimogishi M, Watanabe T, Watanabe S, Okiji T: Homogeneity and heterogeneity of microbiota among intraradicular and extraradicular sites in terms of bacterial composition in teeth with post-treatment apical periodontitis The Journal of the Stomatological Society, Japan. 2025.03; 92 (1): 24-36. ( DOI )

  16. Yu Z, Kawashima N, Nara SK, Wang S, Han P, Kieu TQ, Ren C, Noda S, Tazawa K, Okiji T: MicroRNA-27a transfected dental pulp stem cells undergo odonto/osteogenic differentiation via targeting DKK3 and SOSTDC1 in Wnt/BMP signaling in vitro and enhance bone formation in vivo. J. Transl. Med.. 2025.02; 23 (1): 189. ( PubMed , DOI )

  17. Xu, HC; Nozaki, K; Yu, ZN; Kawashima, N; Ueno, T; Wu, HZ; Wu, H; Wakabayashi, N: Surface functionalization of titanium implants with controlled-release glutathione conjugate for antioxidant and osteogenesis JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T. 2025.01; 34 2872-2884. ( DOI )

  18. Chunmei Ren, Kento Tazawa, Nobuyuki Kawashima, Risa Ohshima, Yamato Okada, Shihan Wang, Ziniu Yu, Peifeng Han, Yujin Ohsugi, Sayaka Katagiri, Takashi Okiji: Metformin attenuates alveolar bone destruction in mice with apical periodontitis and inhibits pro-inflammatory cytokine synthesis in lipopolysaccharide-stimulated RAW264.7 through the AMPK-mTOR-NF-κB pathway. Front Immunol. 2025; 16 1643676. ( PubMed , DOI )

  1. Hirano K, Kimura S, Maki K, Omori S, Ebihara A, Okiji T: Impact of Varying Amplitudes of Upward and Downward Motion on the Torque/Force Generation, Canal-Centering Ability, and Cyclic Fatigue Resistance of Nickel-Titanium Reciprocating Instrument Applied Sciences. 2024.12; 15 (1): 288. ( DOI )

  2. Myint PYA, Watanabe S, Chen Y, Saito R, Okiji T.: Cleaning efficacy and apical pressure in sonically-activated irrigation systems: Impact of tip vertical stroke Journal of Dental Sciences. 2024.12;

  3. Ito R, Watanabe S, Satake K, Saito R, Okiji T: Accuracy and Efficiency of the Surgical-Guide-Assisted Fiber Post Removal Technique for Anterior Teeth: An Ex Vivo Study Dentistry Journal. 2024.10; 12 (10): 333. ( DOI )

  4. Ito R, Watanabe S, Satake K, Saito R, Okiji T.: Accuracy and Efficiency of the Surgical-Guide-Assisted Fiber Post Removal Technique for Anterior Teeth: An Ex Vivo Study Dentistry Journal. 2024.10; 12 (10): 333.

  5. Comparisons of the smear layer removal efficacy of dual-action irrigants and different activation techniques 2024.09;

  6. Nyein Chan KO, Sonoko NODA, Yamato OKADA, Kento TAZAWA, Nobuyuki KAWASHIMA and Takashi OKIJI: Biocompatibility and pro-mineralization effects of premixed calcium silicatebased materials on human dental pulp stem cells: An in vitro and in vivo study Dental Materials Journal. 2024.09; 43 (5): 729-737.

  7. Wang S, Kawashima N, Han P, Nara SK, Yu Z, Tazawa K, Fujii M, Kieu TQ, Okiji T: MicroRNA-27a-5p downregulates expression of proinflammatory cytokines in lipopolysaccharide-stimulated human dental pulp cells via the NF-κB signaling pathway Int. J. Mol. Sci.. 2024.09; 25 9694.

  8. Kawashima N, Okiji T: Characteristics of inflammatory mediators in dental pulp inflammation and the potential for their control Front. Dent. Med . 2024.08; 5 1426887. ( PubMed , DOI )

  9. Mochizuki S, Watanabe S, Liu J, Okiji T: Smear layer removal efficacy of different irrigation techniques in conservatively instrumented root canals Journal of Dental Sciences. 2024.07; 19 (3): 1546-1553. ( DOI )

  10. Moe SK, Ebihara A, Iino Y, Thu M, Maki K, Kimura S, Htun PH, Okiji T: Effect of repetitive up-and-down movements on torque/force generation, surface defects and shaping ability of nickel-titanium rotary instruments: An ex vivo study BMC Oral Health. 2024.07; 24 986. ( DOI )

  11. Myint PYA, Watanabe S, Okiji T: Comparative effectiveness of different Er:YAG laser-activated irrigation systems on removing calcium hydroxide from simulated internal root resorption cavities at different root levels Photobiomodulation, Photomedicine, and Laser Surgery. 2024.07; 42 (7): 480-487. ( DOI )

  12. Ito R, Watanabe S, Kouno A, Yamauchi S, Okiji T: Heat-induced changes in the physical properties of a new premixed calcium silicate-containing root canal sealer: An in vitro study Dentistry Journal. 2024.04; 12 (4): 106. ( DOI )

  13. Moe SK , Ebihara A, Thu M, Maki K, Kimura S, Htun PH, Okiji T: Effect of preset torque setting on torque/force generation, shaping ability and surface changes of nickel titanium rotary instrument in different root canal curvature locations: an ex vivo study Dental Materials Journal. 2024.03; 43 (3): 329-337. ( DOI )

  14. Han P, Sunada-Nara K, Kawashima N, Fujii M, Wang S, Kieu TQ, Yu Z, Okiji T: Correction: Han et al. MicroRNA-146b-5p Suppresses Pro-Inflammatory Mediator Synthesis via Targeting TRAF6, IRAK1, and RELA in Lipopolysaccharide-Stimulated Human Dental Pulp Cells. Int. J. Mol. Sci. 2023, 24, 7433. International journal of molecular sciences. 2024.02; 25 (4): 2049. ( PubMed , DOI )

  15. Hiroki Okuda, Miki Inada, Tomoya Konishi, Nobuyuki Kawashima, Takahiro Wada, Takashi Okiji, Motohiro Uo: Improvement of the setting properties of mineral trioxide aggregate cements using cellulose nanofibrils. Dental Materials Journal. 2024.01; 43 (1): 106-111. ( PubMed , DOI )

  16. Jin C, Adachi N, Yoshimoto Y, Sasabuchi A, Kawashima N, Ota M S, Iseki S: Fibroblast growth factor signalling regulates the development of tooth root J. Anat.. 2024.01; 244 (6): 1067-1077. ( PubMed , DOI )

  17. Okuda Hiroki, Inada Miki, Konishi Tomoya, Kawashima Nobuyuki, Wada Takahiro, Okiji Takashi, Uo Motohiro: セルロースナノファイバーを用いて改善させたmineral trioxide aggregateセメントの硬化特性(Improvement of the setting properties of mineral trioxide aggregate cements using cellulose nanofibrils) Dental Materials Journal. 2024.01; 43 (1): 106-111. ( ichushi )

  1. 興地隆史: 単一ポイント根管充塡法を再考する：ケイ酸カルシウム系根管用シーラーとのコンビネーション 千葉県歯科医学会誌. 2023.12; 10 (1): 19-22.

  2. Yahata Y, Handa K, Ohkura N, Okamoto M, Ohshima J, Itoh S, Kawashima N, Tanaka T, Sato N, Noiri Y, Hayashi M, Okiji T, Saito M: Autologous concentrated growth factor mediated accelerated bone healing in root-end microsurgery: A multicenter randomized clinical trial. Regenerative therapy. 2023.12; 24 377-384. ( PubMed , DOI )

  3. Yahata Yoshio, Handa Keisuke, Ohkura Naoto, Okamoto Motoki, Ohshima Jun, Itoh Shusaku, Kawashima Nobuyuki, Tanaka Toshinori, Sato Nobuya, Noiri Yuichiro, Hayashi Mikako, Okiji Takashi, Saito Masahiro: 自家成長因子濃縮物は根尖の顕微鏡下手術での骨治癒加速を媒介する　多施設共同無作為化比較試験(Autologous concentrated growth factor mediated accelerated bone healing in root-end microsurgery: A multicenter randomized clinical trial) Regenerative Therapy. 2023.12; 24 377-384. ( ichushi )

  4. Alchawoosh A, Hashimoto K, Kawashima N, Noda S, Nozaki K, Okiji T: Hydraulic calcium silicate-based root canal sealers mitigate proinflammatory cytokine synthesis and promote osteogenesis in vitro. Journal of dental sciences. 2023.10; 18 (4): 1731-1739. ( PubMed , DOI )

  5. Thu M, Ebihara A, Maki K, Kimura S, Kyaw MS, Kasuga Y, Nishijo M, Okiji T.: Dynamic torque and screw-in force of four different glide path instruments assessed in simulated single- and double-curved canals: An in vitro study Journal of Dental Sciences. 2023.10; 18 (4): 1598-1603. ( PubMed , DOI )

  6. Kasuga Y, Kimura S, Maki K, Unno H, Omori S, Hirano K, Ebihara A, Okiji T: Phase transformation and mechanical properties of heat-treated nickel-titanium rotary endodontic instruments at room and body temperatures. BMC Oral Health. 2023.10; 23 (1): 825. ( PubMed , DOI )

  7. Alchawoosh A, Hashimoto K, Kawashima N, Noda S, Nozaki K, Okiji T: Hydraulic calcium silicate-based root canal sealers mitigate proinflammatory cytokine synthesis and promote osteogenesis in vitro Journal of Dental Sciences. 2023.10; 18 (4): 1731-1739. ( PubMed , DOI )

  8. Kimura S, Ebihara A, Maki K, Kyaw MS, Kasuga Y, Omori S, Okiji T: Phase transformation behavior and mechanical properties of HyFlex EDM nickel-titanium endodontic rotary instrument: Evaluation at body temperature Journal of Dental Sciences. 2023.08;

  9. Liu J, Watanabe S, Mochizuki S, Kouno A, Okiji T : Comparison of vapor bubble kinetics and cleaning efficacy of different root canal irrigation techniques in the apical area beyond the fractured instrument Journal of Dental Sciences. 2023.07; 18 (3): 1141-1147. ( DOI )

  10. Liu J, Watanabe S, Mochizuki S, Kouno A, Okiji T: Comparison of vapor bubble kinetics and cleaning efficacy of different root canal irrigation techniques in the apical area beyond the fractured instrument Journal of Dental Sciences. 2023.07; 18 (3): 1141-1147. ( PubMed , DOI )

  11. Thu M, Ebihara A, Kyaw MS, Omori S, Maki K, Kimura S, Unno H, Okiji T.: Influence of different kinematics on stationary and dynamic torsional behavior of JIZAI nickel-titanium rotary instruments: An in vitro study Journal of Dental Sciences. 2023.07; 18 (3): 1170-1176. ( PubMed , DOI )

  12. Han P, Sunada-Nara K, Kawashima N, Fujii M, Wang S, Kieu TQ, Yu Z, Okiji T.: MicroRNA-146b-5p Suppresses Pro-Inflammatory Mediator Synthesis via Targeting TRAF6, IRAK1, and RELA in Lipopolysaccharide-Stimulated Human Dental Pulp Cells. International Journal of Molecular Sciences. 2023.04; 24 (8): 7433. ( PubMed , DOI )

  13. Ohkura N, Yoshiba K, Yoshiba N, Oda Y, Edanami N, Ohshima H, Takenaka S, Okiji T, Noiri Y.: Prostaglandin E2-Transporting Pathway and Its Roles via EP2/EP4 in Cultured Human Dental Pulp Journal of Endodontics. 2023.04; 49 (4): 410-418. ( PubMed , DOI )

  14. Okuda H, Inada M, Konishi T, Kawashima N, Wada T, Okiji T, Uo M: Improvement of the setting properties of mineral trioxide aggregate cements using cellulose nanofibrils Dent Mat J. 2023; in press

  1. Thu M, Ebihara A, Maki K, Nishijo M, Kimura S, Nakatsukasa T, Kyaw MS, Okiji T: Effect of different axial speed patterns on cyclic fatigue resistance of rotary nickel-titanium instruments BMC Oral Health. 2022.12; 22 (1): 617. ( DOI )

  2. Unno H, Ebihara A, Hirano K, Kasuga Y, Omori S, Nakatsukasa T, Kimura S, Maki K, Okiji T: Mechanical Properties and Root Canal Shaping Ability of a Nickel–Titanium Rotary System for Minimally Invasive Endodontic Treatment: A Comparative In Vitro Study Materials. 2022.11; 15 (22): 7929. ( PubMed , DOI )

  3. Omori S, Ebihara A, Hirano K, Kasuga Y, Unno H, Nakatsukasa T, Kimura S, Maki K, Hanawa T, Okiji T: Effect of rotational modes on torque/force generation and canal centering ability during rotary root canal instrumentation with differently heat-treated nickel–titanium instruments Materials. 2022.10; 15 (19): 6850. ( PubMed , DOI )

  4. Murano H, Kaneko T, Zaw SYM, Sone PP, Zaw ZCT, Okada Y, Sunakawa M, Katsube K-I, Okiji T: Pulp inflammation induces Kv1.1 K+ channel down-regulation in rat thalamus Oral Diseases. 2022.09; 28 (6): 1674-1681. ( PubMed , DOI )

  5. Adel S, Hashimoto K, Kawashima N, Wada T, Uo M, Okiji T: Biocompatibility and pro-mineralization effect of tristrontium aluminate cement for endodontic use Journal of Dental Sciences. 2022.07; 17 (3): 1193-1200. ( PubMed , DOI )

  6. Zaw ZCT, Kawashima N, Kaneko T, Okiji T: Angiogenesis during coronal pulp regeneration using rat dental pulp cells: Neovascularization in rat molars in vivo and proangiogenic dental pulp cell-endothelial cell interactions in vitro. Journal of dental sciences. 2022.07; 17 (3): 1160-1168. ( PubMed , DOI )

  7. Adel S, Hashimoto K, Kawashima N, Wada T, Uo M, Okiji T: Biocompatibility and pro-mineralization effect of tristrontium aluminate cement for endodontic use. Journal of dental sciences. 2022.07; 17 (3): 1193-1200. ( PubMed , DOI )

  8. Kyaw MS, Ebihara A, Maki K, Kimura S, Nakatsukasa T, Htun PH, Thu M, Omori S, Okiji T.: Effect of kinematics on the torque/force generation, surface characteristics, and shaping ability of a nickel-titanium rotary glide path instrument: An ex vivo study International Endodontic Journal. 2022.05; 55 (5): 531-543. ( PubMed , DOI )

  9. Keiichiro Maki, Arata Ebihara, Hayate Unno, Satoshi Omori, Taro Nakatsukasa, Shunsuke Kimura, Takashi Okiji: Effect of Different Downward Loads on Canal Centering Ability, Vertical Force, and Torque Generation during Nickel-Titanium Rotary Instrumentation Materials. 2022.04; 7 (15): 2724. ( PubMed , DOI )

  10. Nakatsukasa T, Ebihara A, Kimura S, Maki K, Nishijo M, Tokita D, Okiji T: Impact of radial lands on the reduction of torque/force generation of a heat-treated nickel-titanium rotary instrument Applied Sciences. 2022.03; 12 (5): 2620. ( DOI )

  11. Kieu TQ, Tazawa K, Kawashima N, Noda S, Fujii M, Nara K, Hashimoto K, Han P, Okiji T: Kinetics of LYVE-1-positive M2-like macrophages in developing and repairing dental pulp in vivo and their pro-angiogenic activity in vitro. Scientific reports. 2022.03; 12 (1): 5176. ( PubMed , DOI )

  12. Thein HSS, Hashimoto K, Kawashima N, Noda S, Okiji T.: Evaluation of the anti-inflammatory effects of surface-reaction-type pre-reacted glass-ionomer filler containing root canal sealer in lipopolysaccharide-stimulated RAW264.7 macrophages Dental Materials Journal. 2022.02; 41 (1): 150-158. ( PubMed , DOI )

  13. Orikasa S, Kawashima N, Tazawa K, Hashimoto K, Sunada-Nara K, Noda S, Fujii M, Akiyama T, Okiji T: Hypoxia-inducible factor 1α induces osteo/odontoblast differentiation of human dental pulp stem cells via Wnt/β-catenin transcriptional cofactor BCL9. Scientific reports. 2022.01; 12 (1): 682. ( PubMed , DOI )

  14. Orikasa S, Kawashima N, Tazawa K, Hashimoto K, Sunada-Nara K, Noda S, Fujii M, Akiyama T, Okiji T: Hypoxia-inducible factor 1α induces osteo/odontoblast differentiation of human dental pulp stem cells via Wnt/β-catenin transcriptional cofactor BCL9 Scientific Reports. 2022.01; 12 (1): 682. ( PubMed , DOI )

  15. Dumrongvute K, Adel S, Wada T, Kawashima N, Piyachon C, Kurabayashi T, Okiji T, Uo M : Distrontium cerate as a radiopaque component of hydraulic endodontic cement Materials (Basel, Switzerland). 2022.01; 15 (284): ( DOI )

  16. Dumrongvute K., Adel S., Wada T, Kawashima N., Piyachon C., Watanabe H., Kurabayashi T., Okiji T., Uo M.: Distrontium Cerate as a Radiopaque Component of Hydraulic Endodontic Cement Materials. 2022.01; 15 ( DOI )

  17. Okada Y, Kawashima N, Nod S, Murano H, Han P, Hashimoto K, Kaneko T, Okiji T: VEGFA promotes odonto/osteoblastic differentiation in dental pulp stem cells via ERK/p38 signaling Journal of Dental Sciences. 2022; in press (3): 1590-1597. ( PubMed , DOI )

  1. Aung NPS, Watanabe S, Okiji T : Er:YAG laser-activated irrigation in comparison with different irrigation systems for cleaning the apical root canal area beyond ledge Photobiomodulation, Photomedicine, and Laser Surgery. 2021.12; 39 (12): 759-765. ( DOI )

  2. Sunada-Nara K, Kawashima N, Okiji T: Micro-endodontic management of a fused mandibular molar with rare anatomical features: a case report The International Journal of Microdentistry. 2021.12;

  3. Sunada-Nara Keisuke, Kawashima Nobuyuki, Okiji Takashi: Micro-endodontic management of a fused mandibular molar with rare anatomical features: a case report Micro: the International Journal of Microdentistry. 2021.11; 12 (2): 70-76. ( ichushi )

  4. Kyaw MS, Ebihara A, Kasuga Y, Mak Ki, Kimura S, Htun PH, Nakatsukasa T, Okiji T: Influence of rotational speed on torque/force generation and shaping ability during root canal instrumentation of extracted teeth with continuous rotation and optimum torque reverse motion International Endodontic Journal. 2021.09; 54 (9): 1614-1622. ( PubMed , DOI )

  5. Zaw ZCT, Kawashima N, Kaneko T, Okii T: Angiogenesis during coronal pulp regeneration using rat dental pulp cells: neovascularization in rat molars #Iin vivo#IR and proangiogenic dental pulp cell-endothelial cell interactions #Iin vitro#IR Journal of Dental Sciences. 2021.07; in press

  6. Phyo YS, Hashimoto K, Kawashima N, Kuramoto M, Okiji T: Evaluation of the cytocompatibility of methacrylate resin-based root canal sealers with osteoblast-like cells. Dental materials journal. 2021.07; 40 (4): 942-948. ( PubMed , DOI )

  7. Nakatsukasa T, Ebihara A, Kimura S, Maki K, Nishijo M, Tokita D, Okiji T: Comparative evaluation of mechanical properties and shaping performance of heat-treated nickel titanium rotary instruments used in the single-length technique(和訳中) Dental Materials Journal. 2021.05; 40 (3): 743-749. ( ichushi )

  8. Ao X, Yang Y, Okiji T, Azuma M, Nagai S: Polymorphonuclear myeloid-derived cells that contribute to the immune paralysis are generated in the early phase of sepsis via PD-1/PD-L1 pathway Infection and Immunity. 2021.05; 89 (6): e00771-e00720. ( PubMed , DOI )

  9. Thu M, Ebihara A, Adel S, Okiji T: Analysis of torque and force induced by rotary nickel-titanium instruments during root canal preparation: A systematic review Applied Sciences. 2021.04; 11 (7): 3079. ( DOI )

  10. Hoshihara Y, Watanabe S, Kouno A, Yao K, Okiji T: Effect of tip insertion depth and irradiation parameters on the efficacy of cleaning calcium hydroxide from simulated lateral canals using Er:YAG laser- or ultrasonic-activated irrigation Journal of Dental Sciences. 2021.02; 16 (2): 654-660. ( DOI )

  11. Yamauchi S, Watanabe S, Okiji T: Effects of heating on the physical properties of premixed calcium silicate-based root canal sealers Journal of Oral Science. 2021.01; 63 (1): 65-69. ( DOI )

  12. Htun PH, Ebihara A, Maki K, Kimura S, Nishijo M, Kyaw MS, Okiji T: Comparison of torque, screw-in force and shaping ability of glide path instruments in Continuous rotation and optimum glide path motion Journal of Endodontics. 2021.01; 47 (1): 94-99. ( PubMed , DOI )

  13. Adel S, Wada T, Kawashima N, Abdou A, Watanabe H, Kurabayashi T, Okiji T, Uo M: Preparation and properties of tristrontium aluminate as an alternative component of mineral trioxide aggregate (MTA) cement Dental Materials Journal. 2021.01; 40 (1): 184-190. ( PubMed , DOI )

  14. Adel S, Wada T, Kawashima N, Abdou A, Watanabe H, Kurabayashi T, Okiji T, Uo M: Preparation and properties of tristrontium aluminate as an alternative component of mineral trioxide aggregate (MTA) cement. Dental materials journal. 2021.01; 40 (1): 184-190. ( PubMed , DOI )

  15. Phyo Y, Hashimoto K, Kawashima N, Kuramoto M, Okiji T: Evaluation of the cytocompatibility of methacrylate resin-based root canal sealers with osteoblast-like cell Dental Materials Journal. 2021;

  16. Thein HSS, Hashimoto K, Kawashima N, Noda S, Okiji T : Evaluation of the anti-inflammatory effects of surface-reaction-type pre-reacted glass-ionomer filler containing root canal sealer in lipopolysaccharide-stimulated RAW264.7 macrophages Dental Materials Journal. 2021;

  1. Kuramoto M, Kawashima N, Tazawa K, Nara K, Fujii M, Noda S, Hashimoto K, Nozaki K, Okiji T: Mineral trioxide aggregate suppresses pro-inflammatory cytokine expression via the calcineurin/nuclear factor of activated T cells/early growth response 2 pathway in lipopolysaccharide-stimulated macrophages. International endodontic journal. 2020.12; 53 (12): 1653-1665. ( PubMed , DOI )

  2. Edanami N，Yoshiba K，Shirakashi M、Ibn Belal RS, Yoshiba N, Ohkura N, Tohma A, Takeuchi R, Okiji T, Noiri Y.: Impact of remnant healthy pulp and apical tissue on outcomes after simulated regenerative endodontic procedure in rat molars Scientific Reports. 2020.12; 10 (1): 20967. ( PubMed , DOI )

  3. Tazawa K, Kawashima N, Kuramoto M, Noda S, Fujii M, Nara K, Hashimoto K, Okiji T: Transient receptor potential ankyrin 1 (TRPA1) is up-regulated in response to lipopolysaccharide via P38/ mitogen-activated protein kinase (MAPK) in dental pulp cells and promotes mineralization. American Journal of Pathology. 2020.12; 190 (12): 2417-2426.

  4. Thaw Dar O, Kakino S, Kusano M, Ikeda H, Miyashin M, Okiji T: Transmitted-light plethysmography detects changes in human pulpal blood flow elicited by innocuous tooth cooling and foot heating Archives of Oral Biology. 2020.11; 119 104881. ( PubMed , DOI )

  5. Thu M, Ebihara A, Maki K, Miki N, Okiji T: Cyclic fatigue resistance of rotary and reciprocating nickel-titanium instruments subjected to static and dynamic tests. Journal of Endodontics. 2020.11; 46 (11): 1752-1757. ( PubMed , DOI )

  6. Kawashima N, Hashimoto K, Kuramoto M, Bakhit A, Wakabayashi Y, Okiji T: A Novel Bioactive Endodontic Sealer Containing Surface-Reaction-Type Prereacted Glass-Ionomer Filler Induces Osteoblast Differentiation. Materials (Basel, Switzerland). 2020.10; 13 (20): ( PubMed , DOI )

  7. Zaw SYM, Kaneko T, Zaw ZCT, Sone PP, Murano H, Gu B, Okada Y, Han P, Katsube KI, Okiji T: Crosstalk between dental pulp stem cells and endothelial cells augments angiogenic factor expression Oral Diseases. 2020.09; 26 (6): 1275-1283. ( PubMed , DOI )

  8. Tazawa K, Kawashima N, Kuramoto M, Noda S, Fujii M, Nara K, Hashimoto K, Okiji T: Transient Receptor Potential Ankyrin 1 (TRPA1) is Up-Regulated in Response to Lipopolysaccharide via P38/ Mitogen-Activated Protein Kinase (MAPK) in Dental Pulp Cells and Promotes Mineralization. The American journal of pathology. 2020.09; 190 (12): 2417-2426. ( PubMed , DOI )

  9. Kasahara Yuki, Iino Yoshiko, Ebihara Arata, Okiji Takashi: Differences in the corono-apical location of sinus tracts and buccal cortical bone defects between vertically root-fractured and non-root-fractured teeth based on periradicular microsurgery Journal of Oral Science. 2020.07; 62 (3): 327-330. ( PubMed , DOI )

  10. Sone PP, Kaneko T, Zaw SYM, Sueyama Y, Gu B, Murano H, Zaw ZCT, Okada Y, Han P, Katsube KI, Okiji T: Neural Regeneration/Remodeling in Engineered Coronal Pulp Tissue in the Rat Molar Journal of Endodontics. 2020.07; 46 (7): 943-949. ( PubMed , DOI )

  11. Htun PH, Ebihara A, Maki K, Kimura S, Nishijo M, Okiji T: Cleaning and shaping ability of Gentlefile, HyFlex EDM, and ProTaper Next instruments: a combined micro-computed tomographic and scanning electron microscopic study Journal of Endodontics. 2020.07; 46 (7): 973-979. ( PubMed , DOI )

  12. Aung NPS, WatanabeS, Kouno A, Hongo T, Yao K, Satake K, Okiji T: Fluid movement in the apical area beyond the ledge during Er:YAG laser-activated irrigation: A particle image velocimetry analysis Photobiomodulation, Photomedicine and Laser Surgery. 2020.07; 38 (7): 438-446. ( DOI )

  13. Kouno A, Watanabe S, Hongo T, Yao K, Satake K, and Okiji T: Effect of pulse energy, pulse frequency, and tip diameter on intracanal vaporized bubble kinetics and apical pressure during laser-activated irrigation using Er:YAG laser Photobiomodulation, Photomedicine, and Laser Surgery. 2020.07; 38 (7): 431-437. ( DOI )

  14. Bakhit A, Kawashima N, Hashimoto K, Noda S, Nara K, Kuramoto M, Tazawa K, Okiji T: Author Correction: Strontium ranelate promotes odonto-/osteogenic differentiation/mineralization of dental papillae cells in vitro and mineralized tissue formation of the dental pulp in vivo. Scientific reports. 2020.05; 10 (1): 8375. ( PubMed , DOI )

  15. Htun PH, Ebihara A, Maki K, Kimura S, Nishijo M, Tokita D, Okiji T: Comparison of torque, force generation and canal shaping ability between manual and nickel-titanium glide path instruments in rotary and optimum glide path motion. Odontology. 2020.04; 108 188-193. ( DOI )

  16. Maki K, Ebihara A, Kimura S, Nishijo M, Tokita D, Miyara K, Okiji T: Enhanced root canal-centering ability and reduced screw-in force generation of reciprocating nickel-titanium instruments with a post-machining thermal treatment. Dental Materials Journal. 2020.03; 39 (2): 251-255. ( PubMed , DOI )

  17. Fujii M, Kawashima N, Tazawa K, Hashimoto K, Nara K, Noda S, Kuramoto M, Orikasa S, Nagai S, Okiji T : HIF1α inhibits LPS-mediated induction of IL-6 synthesis via SOCS3-dependent CEBPβ suppression in human dental pulp cells Biochemical and Biophysical Research Communications . 2020.02; 522 (2): 308-314. ( PubMed , DOI )

  18. Kimura S, Ebihara A, Maki K, Nishijo M, Tokita D, Okiji T: Effect of optimum torque reverse motion on torque and force generation during root canal instrumentation with crown-down and single-length techniques Journal of Endodontics. 2020.02; 46 (2): 232-237. ( PubMed , DOI )

  19. Fujii M, Kawashima N, Tazawa K, Hashimoto K, Nara K, Noda S, Nagai S, Okiji T.: Hypoxia-inducible factor 1α promotes interleukin 1β and tumour necrosis factor α expression in lipopolysaccharide-stimulated human dental pulp cells. International Endodontic Journal. 2020.01; ( DOI )

  1. Hongo T, Watanabe S, Kouno A, Yamauchi S, Hoshinara Y, Yao K, Satake K and Okiji T: Evaluation of apical pressure during root canal irrigant activation using a diode laser with an optothermal converter-coated tip The Japanese Journal of Conservative Dentistry. 2019.12; 62 (6): 304-310.

  2. Rashed B, Iino Y, Ebihara A, Okiji T: Evaluation of crack formation and propagation with ultrasonic root-end preparation and obturation using a digital microscope and optical coherence tomography. Scanning. 2019.12; 2019 5240430. ( PubMed , DOI )

  3. Nara K, Kawashima N, Noda S, Fujii M, Hashimoto K, Tazawa K, Okiji T: Anti-inflammatory roles of microRNA 21 in lipopolysaccharide-stimulated human dental pulp cells. Journal of Cellular Physiology. 2019.11; 234 (11): 21331-21341. ( PubMed , DOI )

  4. Hosoya N, Takigawa T, Horie T, Maeda H, Yamamoto Y, Momoi Y, Yamamoto K, Okiji T: A review of the literature on the efficacy of mineral trioxide aggregate in conservative dentistry. Dental Material Journal. 2019.10; 38 (5): 693-700. ( PubMed )

  5. Kaneko T, Sone PP, Zaw SYM, Sueyama Y, Zaw ZCT, Okada Y, Murano H, Gu B, Okiji T: In vivo Fate of Bone Marrow Mesenchymal Stem Cells Implanted into Rat Pulpotomized Molars Stem Cell Research. 2019.07; 38 101457. ( PubMed , DOI )

  6. Tong F, Maki K, Kimura S, Nishijo M, Tokita D, Ebihara A, Okiji T: Assessment of mechanical properties of WaveOne Gold Primary reciprocating instruments. Dental Materials Journal. 2019.06; 38 (3): 490-495. ( DOI )

  7. Hongo T, Watanabe S, Yao K, Satake K, Okiji T: Evaluation of cleaning efficacy-related properties of root canal irrigant activation using a computer-controlled hot tippowered with a diode laser Asian Pacific Journal of Dentistry. 2019.04; 19 9-15.

  8. Noda S, Kawashima N, Yamamoto M, Hashimoto K, Nara K, Sekiya I, Okiji T: Effect of cell culture density on dental pulp-derived mesenchymal stem cells with reference to osteogenic differentiation. Scientific Reports. 2019.04; 9 (1): 5430. ( PubMed , DOI )

  9. Gu B, Kaneko T, Zaw SYM, Sone PP, Murano H, Sueyama Y, Zaw ZCT, Okiji T: Macrophage populations show an M1-to-M2 transition in an experimental model of coronal pulp tissue engineering with mesenchymal stem cells International Endodontic Journal. 2019.04; 52 (4): 504-514. ( DOI )

  10. Kaneko T, Zaw SYM, Sueyama Y, Katsube KI, Kaneko R, Nör JE, Okiji T: Inhibition of nuclear factor-κB prevents the development of experimental periapical lesions Journal of Endodontics. 2019.02; 45 (2): 168-173. ( PubMed , DOI )

  11. Hirai K, Furusho H, Kawashima N, Xu S, de Beer MC, Battaglino R, Van Dyke T, Stashenko P, Sasaki H: Serum amyloid A contributes to chronic apical periodontitis via TLR2 and TLR4 Journal of Dental Research. 2019.01; 98 (1): 117-125. ( PubMed , DOI )

  1. Kang D, Wada T, Uo M, Okiji T: Influence of bentonite addition on handling and physical properties of synthesized tricalcium silicate cement Asian Pacific Journal of Dentistry. 2018.12; 18 (2): 37-44. ( DOI )

  2. Kaneko T, Gu B, Phyo Pyai Sone, Su Yee Myo Zaw, Murano H, Zar Chi Thein Zaw, Okiji T: Dental pulp tissue engineering using mesenchymal stem cells: A review with a protocol. Stem Cell Reviews and Reports. 2018.10; 14 (5): 668-676. ( PubMed , DOI )

  3. Rashed B, Iino Y, Komatsu K, Nishijo M, Hanada T, Ebihara A, Sunakawa M, Sumi Y, Okiji T: Evaluation of root canal anatomy of maxillary premolars using swept-source optical coherence tomography in comparison with dental operating microscope and cone beam computed tomography. Photomedicine and Laser Surgery. 2018.08; 36 (9): 487-492. ( DOI )

  4. Fukumori Y, Nishijyo M, Tokita D, Miyara K, Ebihara A, Okiji T: Comparative analysis of mechanical properties of differently tapered nickeltitanium endodontic rotary instruments Dental Materials Journal. 2018.07; 37 (4): 667-674. ( PubMed , DOI )

  5. Bakhit A, Kawashima N, Hashimoto K, , Noda S, Nara K, , Kuramoto M, Tazawa K, Okiji T: Strontium ranelate promotes odonto-/osteogenic differentiation/mineralization of dental papillae cells in vitro and mineralized tissue formation of the dental pulp in vivo. Scientific Reports. 2018.06; 8 (1): 9224. ( PubMed , DOI )

  6. Nishijo M, Ebihara A, Tokita D, Doi H, Hanawa T, Okiji T: Evaluation of selected mechanical properties of NiTi rotary glide path files manufactured from controlled memory wires. Dental Materials Journal. 2018.04; 37 (4): 549-554. ( DOI )

  7. Sueyama Y, Kaneko T, Ito T, Okiji T.: Effect of lipopolysaccharide stimulation on stem cell-associated marker-expressing cells. International Endodontic Journal. 2018.02; 51 (suppl 2): e107-e114. ( PubMed , DOI )

  8. Ohkura M， Ohkura N， Yoshiba N， Yoshiba K， Ida-Yonemochi H， Ohshima H， Saito I， Okiji T: Orthodontic force application upregulated pain-associated prostaglandin-I2/PGI2-receptor/TRPV1 pathway-related gene expression in rat molars. Odontology. 2018.01; 106 (1): 2-10. ( PubMed , DOI )

  1. Kanako Yao, Kazuhisa Satake, Satoshi Watanabe, Arata Ebihara, Chihiro Kobayashi, Takashi Okiji: Effect of Laser Energy and Tip Insertion Depth on the Pressure Generated Outside the Apical Foramen During Er:YAG Laser-Activated Root Canal Irrigation Photomedicine and Laser Surgery Tokyo, Tokyo Medical and Dental University. 2017.12; 35 (12): 682-687.

  2. Yamamoto S, Han L, Noiri Y, Okiji T: Evaluation of the Ca ion release, pH and surface apatite formation of a prototype tricalcium silicate cement. International Endodontic Journal. 2017.12; 50 (Suppl 2): e73-e82. ( PubMed , DOI )

  3. Hinata G, Yoshiba K, Han L, Edanami N, Yoshiba N, Okiji T: Bioactivity and biomineralization ability of calcium silicate-based pulp-capping materials after subcutaneous implantation. International Endodontic Journal. 2017.12; 50 (Suppl 2): e40-e51. ( PubMed , DOI )

  4. Hashimoto K, Kawashima N, Ichinose S, Nara K, Sonoko Noda S, Takashi Okiji T: EDTA treatment for NaOCl-treated dentin recovers disturbed attachment and induces differentiation of mouse dental papillae cells Journal of Endodontics. 2017.11;

  5. バキト・アラムッヂン , 川島 伸之, 橋本 健太郎, 野田 園子, 奈良 圭介, 興地 隆史: ラネル酸ストロンチウムによるマウス歯乳頭細胞の増殖および石灰化はカルシウム感知受容体を介して誘導される 特定非営利活動法人日本歯科保存学会学術大会プログラムおよび講演抄録集. 2017.10; 147回 63. ( ichushi )

  6. Ito T, Kaneko T, Sueyama Y, Kaneko R, Okiji T.: Dental pulp tissue engineering of pulpotomized rat molars with bone marrow mesenchymal stem cells. Odontology. 2017.10; 105 (4): 392-397. ( PubMed , DOI )

  7. Kawashima N, Noda S, Yamamoto M, Okiji T: Properties of dental pulp-derived mesenchymal stem cells and the effects of culture conditions. Journal of Endodontics. 2017.09; 43 (9S): S31-S34. ( PubMed , DOI )

  8. Niwano K, Okiji T, Noiri Y: Novel analysis of endodontic file manipulation using a newly developed apparatus for recording force and torque values with real-time lissajous curve display. Journal of Dentistry and Oral Disorders. 2017.09; 3 (5): 1073.

  9. Kawashima Nobuyuki, Okiji Takashi: 象牙芽細胞　象牙質-歯髄複合体における特殊な硬組織形成細胞(Odontoblasts: Specialized hard-tissue-forming cells in the dentin-pulp complex) Congenital Anomalies. 2017.07; 56 (4): 144-153. ( ichushi )

  10. Tokita D, Ebihara A, Nishijo M, Miyara K, Okiji T.: Dynamic torque and vertical force analysis during nickel-titanium rotary root canal preparation with different modes of reciprocal rotation. Journal of Endodontics TMDU. 2017.07; 43 (10): 1706-1710.

  11. Tokita D, Ebihara A, Miyara K, Okiji T.: Dynamic torsional and cyclic fracture behavior of ProFile rotary instruments at continuous or reciprocating rotation as visualized with high-speed digital video imaging. Journal of Endodontics. 2017.07; 43 (8): 1337-1342.

  12. Ohkura N, Edanami N, Takeuchi R, Tohma A, Ohkura M, Yoshiba N, Yoshiba K, Ida-Yonemochi H, Ohshima H, Okiji T, Noiri Y: Effects of pulpotomy using mineral trioxide aggregate on prostaglandin transporter and receptors in rat molars. Scientific Reports. 2017.07; 7 (1): 6870. ( PubMed , DOI )

  13. Sueyama Y, Kaneko T, Ito T, Kaneko R, Okiji T: Implantation of endothelial cells with mesenchymal stem cells accelerates dental pulp tissue regeneration/healing in pulpotomized rat molars. Journal of Endodontics. 2017.06; 43 (6): 943-948. ( PubMed , DOI )

  14. Tazawa K, Ikeda H, Kawashima N, Okiji T: Transient receptor potential melastatin (TRPM) 8 is expressed in freshly isolated native human odontoblasts. Archives of Oral Biology. 2017.03; 75 55-61. ( PubMed , DOI )

  15. Sugawara S, Shigetani Y, Kenmotsu S, Okiji T, Ohshima H: Evaluation of a new mouse model for studying dental pulpal responses to GaAlAs laser irradiation. Journal of Oral Biosciences. 2017.02; 59 (1): 38-43. ( DOI )

  1. Uraba S, Ebihara A, Komatsu K, Ohbayashi N, Okiji T: Ability of cone-beam computed tomography to detect periapical lesions that were not detected by periapical radiography: A retrospective assessment according to tooth group. Journal of Endodontics. 2016.08; 42 (8): 1186-1190. ( PubMed , DOI )

  2. Kawashima N, Okiji T: Odontoblasts: Specialized hard-tissue-forming cells in the dentin-pulp complex Congenital Anomalies (Kyoto). 2016.07; 56 (4): 144-153. ( PubMed , DOI )

  3. Shigetani Y, Ohkura N, Yoshiba K, Ohshima H, Hosoya A, Yoshiba N, Okiji T: GaAlAs laser-induced pulp mineralization involves dentin matrix protein 1 and osteopontin expression. Oral Diseases. 2016.07; 22 (5): 399-405. ( PubMed , DOI )

  4. Han L, Okiji T: An ion extract obtained from mineral trioxide aggregate induced dentin remineralization and dentinal tubule occlusion in artificially demineralized bovine dentin. American Journal of Dentistry. 2016.06; 29 (3): 166-170. ( PubMed )

  5. Sakaue Y, Domon H, Oda M, Takenaka S, Kubo M, Fukuyama Y, Okiji T, Terao Y: Anti-biofilm and bactericidal effects of Magnolia bark-derived magnolol and honokiol on Streptococcus mutans. Microbiology & Immunology. 2016.01; 60 (1): 10-16. ( PubMed , DOI )

  1. Jamleh A, Komabayashi T, Ebihara A, Nassar M, Watanabe S, Yoshioka T, Miyara M, Suda H: Root surface strain during canal shaping and its influence on apical microcrack development: a preliminary investigation. International Endodontic Journal. 2015.12; 48 (12): 1103-1111. ( PubMed , DOI )

  2. Suzuki N, Takimoto K, Kawashima N: Cathepsin K inhibitor regulates inflammation and bone destruction in experimentally induced rat periapical lesions Journal of Endodontics. 2015.09; 41 (9): 1474-1479. ( PubMed , DOI )

  3. Yoshiba N, Yoshiba K, Ohkura N, Takei E, Edanami N, Oda Y, Hosoya A, Nakamura H, Okiji T: Correlation between fibrillin-1 degradation and mRNA downregulation and myofibroblast differentiation in cultured human dental pulp tissue. Journal of Histochemistry & Cytochemistry. 2015.06; 63 (6): 438-448. ( PubMed , DOI )

  4. Shigetani Y, Yoshiba K, Kuratate M, Takei E, Yoshiba N, Yamanaka Y, Ohshima H, Okiji T: Temporospatial localization of dentine matrix protein 1 following direct pulp capping with calcium hydroxide in rat molars. International Endodontic Journal. 2015.06; 48 (6): 573-581. ( PubMed , DOI )

  5. Zhou M, Kawashima N, Suzuki N, Yamamoto M, Ohnishi O, Katsube K, Tanabe H, Kudo A, Saito M, Suda H: Periostin is a negative regulator of mineralization in the dental pulp tissue Odontology. 2015.05; 103 (2): 152-159. ( PubMed , DOI )

  6. Han L, Okiji T: Dentin tubule occluding ability of dentin desensitizers. American Journal of Dentistry. 2015.04; 28 (2): 90-94. ( PubMed )

  7. Watanabe H, Kazama R, Asai T, Kanaya F, Ishizaki H, Fukushima M, Okiji T: Efficiency of the dual-cured resin cement polymerization induced by high-intensity LED curing units through ceramic material. Operative Dentistry. 2015.04; 40 (2): 153-162. ( PubMed , DOI )

  8. Han L, Kodama S, Okiji T: Evaluation of calcium-releasing and apatite-forming abilities of fast-setting calcium silicate-based endodontic materials. International Endodontic Journal. 2015.02; 48 (2): 124-130. ( PubMed , DOI )

  9. Ohsumi T, Takenaka S, Wakamatsu R, Sakaue Y, Narisawa N, Senpuku H, Ohshima H, Terao Y, Okiji T: Residual structure of Streptococcus mutans biofilm following complete disinfection favors secondary bacterial adhesion and biofilm re-development PLoS One. 2015.01; 10 (1): e0116647. ( PubMed , DOI )

  1. Takei E, Shigetani Y, Yoshiba K, Hinata G, Yoshiba N, Okiji T: Initial transient accumulation of M2 macrophage-associated molecule-expressing cells after pulpotomy with mineral trioxide aggregate in rat molars. Journal of Endodontics. 2014.12; 40 (12): 1983-1988. ( PubMed , DOI )

  2. Y Iino, A Ebihara, T Yoshioka, J Kawamura, S Watanabe,Hanada, T. Nakano, K. Sumi, Y. Suda, H.: Detection of a Second Mesiobuccal Canal in Maxillary Molars by Swept-Source Optical Coherence Tomography Journal of Endodontics. 2014.11; 40 (11): 1865-1868.

  3. Takimoto K, Kawashima N, Suzuki N, Koizumi Y, Yamamoto M, Nakashima M, Suda Heaki: Down-regulation of inflammatory mediator synthesis and infiltration of inflammatory cells by MMP-3 in experimentally-induced rat pulpitis Journal of Endodontics. 2014.09; 40 (9): 1404-1409. ( DOI )

  4. Ohkura N, Shigetani Y, Yoshiba N, Yoshiba K, Okiji T: Prostaglandin transporting protein-mediated prostaglandin E2 transport in lipopolysaccharide-inflamed rat dental pulp. Journal of Endodontics. 2014.08; 40 (8): 1112-1114. ( PubMed , DOI )

  5. Ding J, Ebihara A, Watanabe S, Iino Y, Kokuzawa C, Anjo T, Suda H, Sumi Y: Application of optical coherence tomography to identify pulp exposure during access cavity preparation using an Er:YAG laser. Photomedine and Laser Surgery. 2014.06; 32 (6): 356-359. ( PubMed , DOI )

  6. Yamamoto M, Kawashima N, Takashino N, Koizumi Y, Takimoto K, Suzuki N, Saito M, Suda H: Three-dimensional spheroid culture promotes odonto/osteoblastic differentiation of dental pulp cells Archives of Oral Biology. 2014.03; 59 (3): 310-317. ( DOI )

  7. Ito T, Kaneko T, Yamanaka Y, Shigetani Y, Yoshiba K, Okiji T: M2 macrophages participate in the biological tissue healing reaction to mineral trioxide aggregate. Journal of Endodontics. 2014.03; 40 (3): 379-383. ( PubMed , DOI )

  8. Wakamatsu R, Takenaka S, Ohsumi T, Terao Y, Ohshima H, Okiji T: Penetration kinetics of four mouthrinses into Streptococcus mutans biofilms analyzed by direct time-lapse visualization. Clinical Oral Investigations. 2014.03; 18 (2): 625-634. ( PubMed , DOI )

  1. Wei S, Kawashima N, Suzuki N, Xu J, Takahashi S, Zhou M, Koizumi Y, Suda H: Kinetics of Th17-related cytokine expression in experimentally induced rat periapical lesions Australian Endodontic Journal. 2013.12; 39 (3): 164-170. ( DOI )

  2. Yamanaka Y, Shigetani Y, Yoshiba K, Kaneko T, Yoshiba N, Okiji T: Evaluation of the responses of MHC class II molecule-expressing cells and macrophages to epoxy resin-based and 4-META-containing, methacrylate resin-based root canal sealers in rat subcutaneous tissue. Dental Materials Journal. 2013.11; 32 (5): 822-827. ( PubMed , DOI )

  3. Koizumi Yu, Kawashima Nobuyuki, Yamamoto Mioko, Takimoto Koyo, Zhou Mengyu, Suzuki Noriyuki, Saito Masahiro, Harada Hidemitsu, Suda Hideaki: Wnt11 expression in rat dental pulp and promotional effects of Wnt signaling on odontoblast differentiation Congenital Anomalies. 2013.09; 53 (3): 101-108. ( DOI )

  4. 11. Yoshida T, Iwata T, Umemoto T, Shiratsuchi Y, Kawashima N, Sugiyama T, Yamato M and Okano T: Promotion of mouse ameloblast proliferation by Lgr5 mediated integrin signaling Journal of Cellular Biochemistry. 2013.09; 114 (9): 2138-2147. ( DOI )

  5. Han L, Okiji T: Bioactivity evaluation of three calcium silicate-based endodontic materials. International Endodontic Journal. 2013.09; 46 (9): 808-814. ( PubMed , DOI )

  6. Han L, Okiji T: Effects of a novel fluoride-containing aluminocalciumsilicate-based tooth coating material (Nanoseal) on enamel and dentin. American Journal of Dentistry. 2013.08; 26 (4): 191-195. ( PubMed )

  7. Shigetani Y, Suzuki H, Ohshima H, Yoshiba K, Yoshiba N, Okiji T: Odontoblast response to cavity preparation with Er:YAG laser in rat molars: an immunohistochemical study. Odontology. 2013.06; 101 (2): 186-192. ( PubMed , DOI )

  8. Kaneko T, Chokechanachaisakul U, Kawamura J, Yamanaka Y, Ito T, Sunakawa M, Suda H, Okiji : Up-regulation of p38 mitogen-activated protein kinase during pulp injury-induced glial cell/neuronal interaction in the rat thalamus. Journal of Endodontics. 2013.04; 39 (4): 488-492. ( PubMed , DOI )

  9. Kaneko T, Arayatrakoollikit U, Yamanaka Y, Ito T, Okiji T: Immunohistochemical and gene expression analysis of stem-cell-associated markers in rat dental pulp. Cell and Tissue Research. 2013.03; 35 (3): 425-432. ( PubMed , DOI )

  1. Yoshida T., Kumashiro Y., Iwata T., Ishihara J., Umemoto T., Shiratsuchi Y., Kawashima N., Sugiyama T., Yamato M., Okano T.: Requirement of integrin beta 3 for iron transportation during enamel formation Journal of Dental Research. 2012.12; 91 (12): 1154-1159. ( DOI )

  2. Takenaka S, Ohshima H, Ohsumi T, Okiji T: Current and future strategies for the control of mature oral biofilms–Shift from a bacteria-targeting to a matrix-targeting approach Journal of Oral Biosciences. 2012.11; 54 (4): 173-179. ( DOI )

  3. Kawashima N: Characterisation of dental pulp stem cells: A new horizon for tissue regeneration? Archives of Oral Biology. 2012.11; 57 (11): 1439-1458. ( DOI )

  4. Yoshiba N, Yoshiba K, Ohkura N, Shigetani Y, Takei E, Hosoya A, Nakamura H, Okiji T: Immunohistochemical analysis of two stem cell markers of α-smooth muscle actin and STRO-1 during wound healing of human dental pulp. Histochemistry and Cell Biology. 2012.10; 138 (4): 583-592. ( PubMed , DOI )

  5. Chokechanachaisakul U, Kaneko T, Yamanaka Y, Okiji T, Suda H: A novel whole tooth-in-jaw-bone culture of rat molars: morphological, immunohistochemical, and laser capture microdissection analysis. Microscopy and Research Technique. 2012.10; 75 (10): 1341-1347. ( PubMed , DOI )

  6. Xu J, Kawashima N, Fujiwara N, Harada H, Ota MS, Suda H: Promotional effects of vasoactive intestinal peptide on the development of rodent Hertwig's epithelial root sheath Congenital Anomalies. 2012.09; 52 (3 SI): 162-167. ( PubMed , DOI )

  7. Chizuko Kokuzawa, Arata Ebihara, Satoshi Watanabe, Tomoo Anjo, Gombo Bolortuya, Hidetoshi Saegusa, Hideaki Suda: Shaping of the root canal using Er:YAG laser irradiation. Photomed Laser Surg. 2012.07; 30 (7): 367-373. ( PubMed , DOI )

  8. Sun H, Yang J, Kawashima N, Li Y, Zhang W, Wang P: A brief comparison of curricula at dental schools in China and Japan Journal of Dental Education. 2012.06; 76 (6): 765-773.

  9. Ohkura N, Shigetani Y, Yoshiba N, Yoshiba K, Okiji T: Gene expression analysis of membrane transport proteins in normal and lipopolysaccharide-inflamed rat dental pulp. Journal of Endodontics. 2012.05; 38 (5): 648-652. ( PubMed , DOI )

  10. Yamanaka Y, Kaneko T, Yoshiba K, Kaneko R, Yoshiba N, Shigetani Y, Nör JE, Okiji T: Expression of angiogenic factors in rat periapical lesions. Journal of Endodontics. 2012.03; 38 (3): 313-317. ( PubMed , DOI )

  11. Gombo Bolortuya, Arata Ebihara, Shizuko Ichinose, Satoshi Watanabe, Tomoo Anjo, Chizuko Kokuzawa, Hidetoshi Saegusa, Nobuyuki Kawashima, Hideaki Suda: Effects of dentin surface modifications treated with Er:YAG and Nd:YAG laser irradiation on fibroblast cell adhesion. Photomed Laser Surg. 2012.02; 30 (2): 63-70. ( PubMed , DOI )

  12. Yoshiba N, Yoshiba K, Ohkura N, Hosoya A, Shigetani Y, Yamanaka Y, Izumi N, Nakamura H, Okiji T: Expressional alterations of fibrillin-1 during wound healing of human dental pulp. Journal of Endodontics. 2012.02; 38 (2): 177-184. ( PubMed , DOI )

  1. Han L, Okiji T: Uptake of calcium and silicon released from calcium silicate-based endodontic materials into root canal dentine International Endodontic Journal. 2011.12; 44 (12): 1081-1087. ( PubMed , DOI )

  2. G Bolortuya, A Ebihara, S Ichinose, S Watanabe, T Anjo, C Kokuzawa, H Saegusa, N Kawashima, H Suda: Initial fibroblast attachment to Erbium:YAG laser-irradiated dentine. Int Endod J. 2011.12; 44 (12): 1134-1144. ( PubMed , DOI )

  3. Kaneko T, Sakaue H, Okiji T, Suda H: Clinical management of dens invaginatus in a maxillary lateral incisor with the aid of cone-beam computed tomography--a case report. Dental Traumatology. 2011.12; 27 (6): 478-483. ( PubMed , DOI )

  4. Han L, Okiji T: Evaluation of the ions release / incorporation of the prototype S-PRG filler-containing endodontic sealer. Dental Materials Journal. 2011.11; 30 (6): 898-903. ( PubMed , DOI )

  5. Uraiwan Chokechanachaisakul, Tomoatsu Kaneko, Yusuke Yamanaka, Reika Kaneko, Ken-ichi Katsube, Hiroaki Kobayashi, Jacques E Nör, Takashi Okiji, Hideaki Suda: Gene expression analysis of resident macrophages in lipopolysaccharide-stimulated rat molar pulps. J Endod. 2011.09; 37 (9): 1258-1263. ( PubMed , DOI )

  6. Shigetani Y, Sasa N, Suzuki H, Okiji T, Ohshima H: GaAlAs laser irradiation induces active tertiary dentin formation after pulpal apoptosis and cell proliferation in rat molars. Journal of Endodontics. 2011.08; 37 (8): 1086-1091. ( PubMed , DOI )

  7. Yamanaka Y, Shigetani Y, Yoshiba K, Yoshiba N, Okiji T: Immunohistochemical analysis of subcutaneous tissue reactions to methacrylate resin-based root canal sealers. International Endodontic Journal. 2011.07; 44 (7): 669-675. ( PubMed , DOI )

  8. Kaneko T, Okiji T, Kaneko R, Suda H, Nör JE: Laser-capture microdissection for Factor VIII-expressing endothelial cells in cancer tissues. Methods in Molecular Biology. 2011.06; 755 395-403. ( PubMed , DOI )

  9. Wang HG., Kawashima N., Iwata T., Xu J., Takahashi S., Sugiyama T., Suda H.: MEPE activated by furin promotes pulpal cell adhesion Journal of Dental Research. 2011.04; 90 (4): 529-534. ( DOI )

  10. Niimi K, Yoshizawa M, Sugai T, Kobayashi T, Ono K, Takagi R, Okiji T, Saito C: Clinical study on root resorption of autotransplanted teeth with complete root formation. Asian Journal of Oral & Maxillofacial Surgery. 2011.03; 23 (1): 18-24. ( DOI )

  11. Chokechanachaisakul U, Kaneko T, Okiji T, Kaneko R, Suda H, Nör JE: Laser capture microdissection in dentistry International Journal of Dentistry. 2011.01; 2010 592694-2010. ( PubMed , DOI )

  12. Kaneko M, Kaneko T, Kaneko R, Chokechanachaisakul U, Kawamura J, Sunakawa M, Okiji T, Suda H: The role of N-methyl-D-aspartate receptor subunits in the rat thalamic mediodorsal nucleus during central sensitization. Brain Research. 2011.01; 1371 6-22. ( PubMed , DOI )

  1. Watanabe Y, Mohri T, Takeyama M, Yamaki M, Okiji T, Saito C, Saito I: Long-term observation of autotransplanted teeth with complete root formation in orthodontic patients American Journal of Orthodontics & Dentofacial Orthopedics. 2010.12; 138 (6): 720-726. ( PubMed , DOI )

  2. Sugai T, Yoshizawa M, Kobayashi T, Ono K, Takagi R, Kitamura N, Okiji T, Saito C: Clinical study on prognostic factors for autotransplantation of teeth with complete root formation. International Journal of Oral & Maxillofacial Surgery. 2010.12; 39 (12): 1193-1203. ( PubMed , DOI )

  3. Kawamura J, Kaneko T, Kaneko M, Sunakawa M, Kaneko R, Chokechanachaisakul U, Okiji T, Suda H: Neuron-immune interactions in the sensitized thalamus induced by mustard oil application to rat molar pulp. Journal of Dental Research. 2010.11; 89 (11): 1309-1314. ( PubMed , DOI )

  4. Asai T, Kazama R, Fukushima M, Okiji T: Effect of overglazed and polished surface finishes on the compressive fracture strength of machinable ceramic materials Dental Materials Journal. 2010.11; 29 (6): 661-667. ( PubMed )

  5. Han L, Okiji T, Okawa S: Morphological and chemical analysis of different precipitates on mineral trioxide aggregate immersed in different fluids. Dental Materials Journal. 2010.10; 29 (5): 512-517. ( PubMed )

  6. Hayakawa T, Tomita F, Okiji T: Influence of the diameter and taper of root canals on the removal efficiency of Thermafil Plus plastic carriers using ProTaper Retreatment Files Journal of Endodontics. 2010.10; 36 (10): 1676-1678. ( PubMed , DOI )

  7. Wang S, Kawashima N, Sakamoto K, Katsube K, Umezawa A, Suda H: Osteogenic differentiation of mouse mesenchymal progenitor cell, Kusa-A1 is promoted by mammalian transcriptional repressor Rbpj Biochemical and Biophysical Research Communications. 2010.09; 400 (1): 39-45. ( PubMed , DOI )

  8. Sun H, Kawashima N, Xu J, Takahashi S, Suda H: Expression of Notch signalling-related genes in normal and differentiating rat dental pulp cells Australian Endodontic Journal. 2010.08; 36 (2): 54-58. ( PubMed , DOI )

  9. Watanabe S, Saegusa H, Anjo T, Ebihara A, Kobayahi C, Suda H : Dentin strain induced by laser irradiation Australian Endodontic Journal. 2010.07; 36 (2): 74-78. ( DOI )

  10. Wang H, Kawashima N, Iwata T, Xu J, Takahashi S, Sugiyama T, Suda H: Differentiation of odontoblasts is negatively regulated by MEPE via its C-terminal fragment. Biochemical and Biophysical Research Communications. 2010.07; 398 (3): 406-412. ( PubMed , DOI )

  11. Hidetoshi Saegusa, Satoshi Watanabe, Tomoo Anjo, Arata Ebihara, Hideaki Suda: Safety of laser use under the dental microscope. Aust Endod J. 2010.04; 36 (1): 6-11. ( PubMed , DOI )

  12. Kaneko T, Kaneko M, Chokechanachaisakul U, Kawamura J, Kaneko R, Sunakawa M, Okiji T, Suda H: Artificial dental pulp exposure injury up-regulates antigen-presenting cell-related molecules in rat central nervous system. Journal of Endodontics. 2010.03; 36 (3): 459-464. ( PubMed , DOI )

  13. Chokechanachaisakul U, Kaneko T, Okiji T, Kaneko R, Kaneko M, Kawamura J, Sunakawa M, Suda H: Increased gene expression of Toll-like receptors and antigen-presenting cell-related molecules in the onset of experimentally induced furcation lesions of endodontic origin in rat molars. Journal of Endodontics. 2010.02; 36 (2): 251-255. ( PubMed , DOI )

  14. Kaneko T, Okiji T, Kaneko R, Sunakawa M, Kaneko M, Suda H: Gene expression analysis of acutely traumatized pulps. Journal of Endodontics. 2010.01; 36 (1): 78-82. ( PubMed , DOI )

  1. Okiji T, Yoshiba K: Reparative dentinogenesis induced by mineral trioxide aggregate: review from biological and physicochemical points of view International Journal of Dentistry. 2009.12; 2009 464280. ( PubMed , DOI )

  2. Han L, Ishizaki H, Fukushima M, Okiji T: Morphological analysis of flowable resins after long-term storage or surface polishing with a mini-brush Dental Materials Journal. 2009.05; 28 (3): 277-284. ( PubMed , DOI )

  3. Kawashima N, Wadachi R, Suda H, Yeng T, Parashos P.: Root canal medicaments. International Dental Journal. 2009.02; 59 (1): 5-11. ( PubMed )

  4. Iizuka N, Suzuki A, Nozawa-Inoue K, Kawano Y, Nandasena BG, Okiji T, Maeda T: Differential cell-specific location of Cav-1 and Ca2+-ATPase in terminal Schwann cells and mechanoreceptive Ruffini endings in the periodontal ligament of the rat incisor Journal of Anatomy. 2009.02; 214 (2): 267-274. ( PubMed , DOI )

  5. Takenaka S, Wakamatsu R, Ozoe Y, Tomita F, Fukushima M, Okiji T: Translucency and color change of tooth-colored temporary coating materials American Journal of Dentistry. 2009; 22 361-365.

  6. Kaneko T, Okiji T, Kaneko R, Suda H, Nör JE: Gene expression analysis of immunostained endothelial cells isolated from formaldehyde-fixated paraffin embedded tumors using laser capture microdissection--a technical report Microscopy Research & Technique. 2009; 72 908-912.

  1. Kuratate M, Yoshiba K, Shigetani Y, Yoshiba N, Ohshima H, Okiji T: Immunohistochemical analysis of nestin, osteopontin, and proliferating cells in the reparative process of exposed dental pulp capped with mineral trioxide aggregate Journal of Endodontics. 2008.08; 34 (8): 970-974. ( PubMed , DOI )

  2. Kabasawa Y., Nagumo K., Takeda Y., Kawashima N., Okada N., Omura K., Yamaguchi A., Katsube K.: Amelogenin positive cells scattered in the interstitial component of odontogenic fibromas Journal of Clinical Pathology. 2008.07; 61 (7): 851-855. ( PubMed , DOI )

  3. Sasaki H, Suzuki N, Kent R, Kawashima N, Takeda J, Stashenko P: T cell response mediated by myeloid cell-derived IL-12 is responsible for Porphyromonas gingivalis-induced periodontitis in IL-10-deficient mice. Journal of Immunology. 2008.05; 180 (9): 6193-6198. ( PubMed )

  4. Kaneko T, Okiji T, Zao L, Esguerra R, Suda H: Heterogeneity of dendritic cells in rat apical periodontitis Cell & Tissue Research. 2008.03; 331 (3): 617-623. ( PubMed , DOI )

  5. Shigetani Y, Takenaka S, Okamoto A, Abu-Bakr N, Iwaku M, Okiji T: Impact of Streptococcus mutans on the generation of fluorescence from artificially induced enamel and dentin carious lesions in vitro Odontology. 2008; 96 21-25.

  6. Han L, Okamoto A, Fukushima M, Okiji T: Evaluation of flowable resin composite surfaces eroded by acidic and alcoholic drinks Dental Materials Journal. 2008; 27 455-465.

  7. Kaneko T, Okiji T, Kaneko R, Nör JE, Suda H: Antigen-presenting cells in human radicular granulomas Journal of Dental Research. 2008; 87 553-557.

  8. Kaneko T, Okiji T, Kaneko R, Suda H: Characteristics of resident dendritic cells in different regions of the rat periodontal ligament Cell & Tissue Research. 2008; 331 413-421.

  9. Iizuka N, Takenaka S, Shigetani Y, Okiji T: Removal of resin-based root canal filling materials with K3 rotary instruments: relative efficacy for different combinations of filling materials Dental Materials Journal. 2008; 27 75-80.

  1. Kawashima N, Suzuki N, Yang G, Ohi C, Okuhara S, Nakano-Kawanishi H, Suda H: Kinetics of RANKL, RANK and OPG expressions in experimentally induced rat periapical lesions Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology. 2007.05; 103 (5): 707-711. ( PubMed , DOI )

  2. Guangyan Yang, Nobuyuki Kawashima, Tomoatsu Kaneko, Noriyuki Suzuki, Takashi Okiji, Hideaki Suda: Kinetic study of immunohistochemical colocalization of antigen-presenting cells and nerve fibers in rat periapical lesions. J Endod. 2007.02; 33 (2): 132-136. ( PubMed , DOI )

  3. Maeda T, Ono K, Ohuchi A, Hayashi T, Saito I, Okiji T, Uoshima K: An evaluation of problem-based learning course at the Niigata University Faculty of Dentistry Dentistry in Japan. 2007; 43 166-170.

  4. Yang G, Kawashima N, Kaneko T, Suzuki N, Okiji T, Suda H: Kinetic study of immunohistochemical colocalization of antigen presenting cells and nerve fibers in rat periapical lesions Journal of Endodontics. 2007; 33 132-136.

  5. Yoshiba N, Yoshiba K, Hosoya A, Saito M, Yokoi T, Okiji T, Amizuka N, Ozawa H: Association of TIMP-2 with extracellular matrix exposed to mechanical stress and its co-distribution with periostin during mouse mandible development Cell & Tissue Research. 2007; 330 133-145.

  6. Han L, Okamoto A, Fukushima M, Okiji T: Evaluation of physical properties and surface degradation of self-adhesive resin cements Dental Materials Journal. 2007; 26 906-914.

  7. Takahashi S, Kawashima N, Sakamoto K, Nakata A, Kameda T, Sugiyama T, Katsube K, Suda H: Differentiation of an ameloblast-lineage cell line (ALC) is induced by Sonic hedgehog signaling Biochem Biophys Res Commun. 2007; 353 (2): 405-411. ( PubMed , DOI )

  1. Nobuyuki Kawashima, Indra Wongyaofa, Noriyuki Suzuki, Hiromi Nakano Kawanishi, Hideaki Suda: NK and NKT cells in the rat dental pulp tissues. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2006.10; 102 (4): 558-563. ( PubMed , DOI )

  2. Jian Zhang, Nobuyuki Kawashima, Hideaki Suda, Yukiko Nakano, Yoshiro Takano, Miyuki Azuma: The existence of CD11c+ sentinel and F4/80+ interstitial dendritic cells in dental pulp and their dynamics and functional properties. Int. Immunol.. 2006.09; 18 (9): 1375-1384. ( PubMed , DOI )

  3. Tate Y, Yoshiba K, Yoshiba N, Iwaku M, Okiji T, Ohshima H: Odontoblast responses to GaAlAs laser irradiation in rat molars: an experimental study using heat-shock protein-25 immunohistochemistry European Journal of Oral Science. 2006; 114 50-57.

  4. Han L, Okamoto A, Fukushima M, Okiji T: Evaluation of a new fluoride-releasing one-step adhesive Dental Materials Journal. 2006; 25 509-515.

  5. Zhao L, Kaneko T, Okiji T, Takagi M, Suda H: Immunoelectron microscopic analysis of CD11c-positive dendritic cells in the periapical region of the periodontal ligament of rat molars Journal of Endodontics. 2006; 32 1164-1167.

  1. N Kawashima, H Nakano-Kawanishi, N Suzuki, M Takagi, H Suda: Effect of NOS inhibitor on cytokine and COX2 expression in rat pulpitis. J. Dent. Res.. 2005.08; 84 (8): 762-767. ( PubMed )

  2. Han L, Okamoto A, Fukushima M, Okiji T: Enamel micro-cracks produced around restorations with flowable composites Dental Materials Journal . 2005; 24 83-91.

  3. Kawashima N, Shindo K, Sakamoto K, Kondo H, Umezawa A, Kasugai S, Perbal B, Suda H, Takagi M, Katsube K: Molecular and cell biological properties of mouse osteogenic mesenchymal progenitor cells, Kusa J Bone Miner Metab. 2005; 23 (2): 123-133. ( PubMed , DOI )

  1. Kawanishi HK, Kawashima N, Suzuki N, Suda H, Takagi M: Effects of an inducible nitric oxide synthase inhibitor on experimentally induced rat EUROPEAN JOURNAL OF ORAL SCIENCES. 2004.08; 112 (4): 332-337. ( DOI )

  2. Hajime Sasaki, Khaled Balto, Nobuyuki Kawashima, Jean Eastcott, Katsuaki Hoshino, Shizuo Akira, Philip Stashenko: Gamma interferon (IFN-gamma) and IFN-gamma-inducing cytokines interleukin-12 (IL-12) and IL-18 do not augment infection-stimulated bone resorption in vivo. Clin. Diagn. Lab. Immunol.. 2004.01; 11 (1): 106-110. ( PubMed )

  3. Han L, Cruz E, Fukushima M, Okamoto A, Okiji T: An ultrastructural analysis of the prototype single-step adhesive applied on enamel and dentin surfaces Dental Materials Journal. 2004; 23 321-328.

  4. Angelova A, Takagi Y, Okiji T, Kaneko T, Yamashita Y: Immunocompetent cells in the pulp of human deciduous teeth Archives of Oral Biology. 2004; 49 29-36.

  1. Kikuchi Izumi, Wadachi Reiko, Yoshioka Takatomo, Okiji Takashi, Kobayashi Chihiro, Suda Hideaki: An experimental study on the vasoconstriction effect of calcium hydroxide using rat mesentery. Aust Endod J. 2003.12; 29 (3): 116-119. ( PubMed )

  2. Kentaro Shindo, Nobuyuki Kawashima, Kei Sakamoto, Akira Yamaguchi, Akihiro Umezawa, Minoru Takagi, Ken-ichi Katsube, Hideaki Suda: Osteogenic differentiation of the mesenchymal progenitor cells, Kusa is suppressed by Notch signaling. Exp. Cell Res.. 2003.11; 290 (2): 370-380. ( PubMed )

  3. Okiji T: Modified usage of the Masserann kit for removing intracanal broken instruments Journal of Endodontics. 2003.07; 29 (7): 466-467. ( PubMed , DOI )

  1. Kaneko T, Okiji T, Kan L, Suda H, Takagi M: An immunoelectron-microscopic study of class II major histocompatibility complex molecule-expressing macrophages and dendritic cells in experimental rat periapical lesions Archives of Oral Biology. 2001.08; 46 (8): 713-720. ( PubMed , DOI )

  2. Kaneko T, Okiji T, Kan L, Takagi M, Suda H: Ultrastructural analysis of MHC class II molecule-expressing cells in experimentally induced periapical lesions in the rat Journal of Endodontics. 2001.05; 27 (5): 337-342. ( PubMed , DOI )

  3. Kan L, Okiji T, Kaneko T, Suda H: Localization and density of myeloid leucocytes in the periodontal ligament of normal rat molars Archives of Oral Biology. 2001; 46 509-520.

  1. Kamal AM, Okiji T, Suda H: Response of Class II molecule-expressing cells and macrophages to cavity preparation and restoration with 4-META/MMA-TBB resin International Endodontic Journal. 2000; 33 367-373.

  1. N Kawashima, P Stashenko: Expression of bone-resorptive and regulatory cytokines in murine periapical inflammation. Arch. Oral Biol.. 1999.01; 44 (1): 55-66. ( PubMed )

  1. A M Kamal, T Okiji, N Kawashima, H Suda: Defense responses of dentin/pulp complex to experimentally induced caries in rat molars: an immunohistochemical study on kinetics of pulpal Ia antigen-expressing cells and macrophages. J Endod. 1997.02; 23 (2): 115-120. ( PubMed )

  1. N Kawashima, T Okiji, T Kosaka, H Suda: Kinetics of macrophages and lymphoid cells during the development of experimentally induced periapical lesions in rat molars: a quantitative immunohistochemical study. J Endod. 1996.06; 22 (6): 311-316. ( PubMed , DOI )

  2. T Okiji, T Kosaka, A M Kamal, N Kawashima, H Suda: Age-related changes in the immunoreactivity of the monocyte/macrophage system in rat molar pulp. Arch. Oral Biol.. 1996.05; 41 (5): 453-460. ( PubMed )

  1. T Okiji, N Kawashima, T Kosaka, C Kobayashi, H Suda: Distribution of Ia antigen-expressing nonlymphoid cells in various stages of induced periapical lesions in rat molars. J Endod. 1994.01; 20 (1): 27-31. ( PubMed )

  1. T Okiji, I Morita, N Kawashima, T Kosaka, H Suda, S Murota: Immunohistochemical detection of prostaglandin I2 synthase in various calcified tissue-forming cells in rat. Arch. Oral Biol.. 1993.01; 38 (1): 31-36. ( PubMed )

  1. T Okiji, N Kawashima, T Kosaka, A Matsumoto, C Kobayashi, H Suda: An immunohistochemical study of the distribution of immunocompetent cells, especially macrophages and Ia antigen-expressing cells of heterogeneous populations, in normal rat molar pulp. J. Dent. Res.. 1992.05; 71 (5): 1196-1202. ( PubMed )

  1. Mizutani K, Aoki A, Watanabe S: Frontier of Clinical Applications for Er:YAG Lasers—Utilization Methods at Institute of Science Tokyo Dental Magazine. 2026.02; 8-13.

  1. Sato Y, Tazawa K, Yahata Y: Five-year outcomes of root canal treatment comparing sealer-based obturation with calcium silicate-based sealer to continuous wave of condensation: a randomized controlled trial The Quintessence. 2025.12; 44 (12): 189-191.

  2. Okiji T: Calcium hydroxide as an intracranial medicament 2025.10; 73 (10): 379-384.

  3. Watanabe S: Endodontic treatment using an Er:YAG laser (Root canal irrigation) Nihon Shika Hyoron . 2025.09; 996 (10): 5-9.

  4. Takahashi J, Tazawa K, Okiji T: ong-Term Outcome of Horizontal Root Fractures in Permanent Teeth: A Retrospective Cohort Study. The Quintessence. 2025.07; 44 (7): 1493-1495.

  5. ong-Term Outcome of Horizontal Root Fractures in Permanent Teeth: A Retrospective Cohort Study. The Quintessence. 2025.04; 44 (4): 216-218.

  1. Outcome and Prognostic Factors for Partial and Full Pulpotomy in the Management of Spontaneous Symptomatic Pulpitis in Carious Mature Permanent Teeth: A Randomized Clinical Trial The Quintessence. 2024.12; 43 (12): 186-188.

  2. Yoshida M, Maki K, Okiji T: Predictors of periapical bone healing associated with teeth having large periapical lesions following nonsurgical root canal treatment or retreatment: A cone beam computed tomography-based retrospective study The Hippo Dental Review. 2024.09; 84 (9): 142-143.

  3. Nakano K, Watanabe S, Okiji T: Outcome of selective root canal retreatment-A retrospective study. The Quintessence. 2024.08; 43 (8): 211-213.

  4. Ishidori M, Watanabe S, Okiji T: Prevalence of and factors associated with vertical root fracture in a Japanese population: An observational study on teeth with isolated periodontal probing depth The Quintessence. 2024.05; 43 (5): 182-184.

  5. Okiji T: Updates on root canal obturation The Journal of the Japan Dental Association. 2024.04; 77 (4 付録): 16-20.

  6. Watanabe S, Okiji T: Management of iatrogenic events in endodontics The Journal of Japan Endodontic Association . 2024.01; 45 (1): 22-33.

  7. What ultimately matters in root canal treatment success and tooth preservation: A 25-year cohort study. The Quintessence. 2024.01; 43 (1): 212-214.

  1. Maki K, Okiji T: Microscopic Inspection: The Essence of Endodontic Microsurgery the Quintessence. 2023.12; 42 (12): 2640-2662.

  2. Taper 0.06 Versus Taper 0.04: The Impact on the Danger Zone 2023.11; 42 (11): 194-195.

  3. Outcome of selective root canal retreatment—A retrospective study 2023.09; 83 (9): 128-129.

  4. Watanabe S, Okiji T: Outcome and associated predictors for nonsurgical management of large cyst-like periapical lesions: A CBCT-based prospective cohort study. The Quintessence. 2023.07; 42 (7): 204-206.

  5. The impact of an enhanced infection control protocol on molar root canal treatment outcome – a randomized clinical trial. the Quintessence. 2023.05; 41 (5): 219-221.

  6. Watanabe S, Okiji T: Prognostic Factors and Primary Healing on Root Perforation Repaired with MTA: A 14-year Longitudinal Study. 2023.04; 42 (4): 222-223.

  7. Comparative evaluation of complete and partial pulpotomy in mature permanent teeth with symptomatic irreversible pulpitis: A randomized clinical trial 2023.01; 83 (1):

  1. Yamamoto R, Watanabe S, OKIJI T: Outcomes of primary root canal therapy: An updated systematic review of longitudinal clinical studies published between 2003 and 2020. 2022.12; 41 (12): 188-190.

  2. Natori K, Watanabe S, OKIJI T: Treatment outcomes and determinants : A retrospective cohort study with up to 10 years of follow-up 2022.10; 41 (10): 182-184.

  3. Ito R, Okiji T: Root-end Surgery or Nonsurgical Retreatment: Are There Differences in Long-term Outcome? 2022.09; 82 (9): 144-145.

  4. Okiji T, Shigetani Y, Yoshiba K, Ohshima H: GaAlAs diode laser-induced mineralized tissue formation in dentin/pulp complex: A review The Journal of Japan Society for Laser Surgery and Medicine. 2022.07; 43 (2): 113-119. ( DOI , ichushi )

  5. Application of root canal irrigation using Er:YAG laser 2022.07; 43 (2): 98-112.

  6. The impact of an enhanced infection control protocol on molar root canal treatment outcome a randomized clinical trial. 2022.05; 41 (5): 219-221.

  1. Postoperative pain after ultrasonically and laser-activated irrigation during root canal treatment: A randomized clinical trial. 2021.11; 40 (11): 210-211.

  2. Occurrence of vertical root fractures after apical surgery: A retrospective analysis. 2021.08; 40 (8): 232-233.

  3. Maki K, Ebihara A, Omori S, Unno H, Nakatsukasa T, Kimura S, Okiji T: Evaluation of the shaping ability of different NiTi rotary instruments used by undergraduate dental students in curved canals. The Journal of Japan Endodontic Assiciation. 2021.05; 42 (3): 91-97.

  4. Maki K, Ebihara A, Okiji T: Clinical application of endodontic motors The Journal of the Japanese Society for Dental Materials and Devices. 2021.05; 40巻 (2号): 117-120.

  5. Do pre-existing micro cracks play a role in the fracture resistance of roots in a laboratory setting ? 2021.05; 81 (5): 154-155.

  6. Kimura S, Ebihara A, Okiji T: Characteristics of highly flexible endodontics rotary files 2021.05; 40 (2): 121-124.

  7. Okiji T: Current trends in the development of MTA cements The Journal of the Japanese Society for Dental Materials and Devices. 2021.05; 40 (2): 109-112. ( ichushi )

  8. External cervical resorption: A retrospective case-control study. 2021.04; 40 (4): 270-271.

  9. Yahata A, Handa K, Thomas A, Ito S, Kawashima N, Noiri Y, Hayashi M, Okiji T, Saito M: Application of autologous concentrated growth factors (CGF) in endodontic microsurgery Journal of the Japanese Association for Dental Science. 2021.03; 40 (1): 43-48. ( ichushi )

  10. Liu J, Kaneko T, Okiji T: Effect of vehicle and agitation methods on the penetration of calcium hydroxide paste in the dentinal tubules 2021.01; 81 (1): 140-141.

  1. Fukumori Y, Nakatsukasa T, Maki K, Kimura S, Ebihara A, Okiji T, Sugizaki J: Effect of taper of nickel-titanium rotary instruments on cyclic fatigue resistance in a dynamic model Japanese Journal of Conservative Dentistry. 2020.12; 63 (6): 512-518. ( DOI , ichushi )

  2. Okiji T: Endodontic treatment of the late elderly Dental Diamond. 2020.12; 45 (16): 72-76. ( ichushi )

  3. Proximity of vascular bone channel in the lateral sinus wall to root apices of maxillary first molars: A cone-beam computed tomographic analysis. 2020.11; 39 (11): 212-213.

  4. Okiji T: Dentin/pulp complex The Nippon Dental Review. 2020.10; 80 (Special Issue): 8-16.

  5. S Oomori,S Watanabe,T Okiji: Incidence of pulpal complications after diagnosis of vital cracked teeth. 2020.09; 39 (9): 222-223.

  6. Iino Y, Izawa T, Yao K, Okiji T: Surgical endodontic treatment of radicular cyst associated with periapical osteoperiostitis in a maxillary molar: a case report Jjapanese Journal of Conservative Dentistry. 2020.08; 63 (4): 332-337. ( DOI , ichushi )

  7. Maki K, Ebihara A, Nakatsukasa T, Kimura S, Okiji T: Comparative evaluation of the shaping ability of nickel-titanium rotary and stainless steel hand root canal instrumentation performed by undergraduate students. 2020.08; 63 (4): 305-311.

  8. Kouno A, Watanabe S, Yao K, Satake K, Okiji T: Intracanal vaporized bubble kinetics and apical pressure during root canal irrigation activated by Er:YAG laser: Effect of tip configuration and irradiation time Journal of Japanese Society for Laser Dentistry. 2020.08; 30 (2): 57-62.

  9. Okiji T: Mineral trioxide aggregate: current trends and future perspectives Nippon Dental Review. 2020.01; 80 (1): 20-21. ( ichushi )

  10. Murano H, Kaneko T, Okiji T: Root dentinal microcracks: a post-extraction experimental phenomenon? The Nippon Dental Review. 2020.01; 80 (1): 146-147.

  1. Maki K, Ebihara A, Nakatsukasa T, Kimura S, Okiji T: A comparative evaluation of the shaping ability of different nickel-titanium rotary root canal preparation techniques performed by undergraduate students. The Journal of Japan Endodontic Association. 2019.09; 40 (3): 179-185.

  2. Okada Y, Kaneko T, Okiji T: Root canal shaping using nickel titanium, M-Wire, and Gold wire: a micro-computed tomographic comparative study of One Shape, ProTaper Next, and WaveOne Gold instruments in maxillary first molars The Nippon Dental Review. 2019.09; 79 (9): 154-155.

  3. Orikasa S, Kaneko T, Okiji T: The effect of long-term dressing with calcium hydroxide on the fracture susceptibility of teeth. The Nippon Dental Review. 2019.05; 79 (5): 154-155.

  4. Tazawa K, Kawashima N, Kusano M, Ikeda H, Okiji T: LYVE-1 expressing macrophages co-express CD163 in rat normal dental pulp tissue. The Journal of Japan Endodontic Adociation. 2019.01; 40 (1): 7-13.

  5. Kouno A, Watanabe S, Okiji T: Treatment outcomes of 4 vital pulp therapies in mature molars. The Quintessence. 2019.01; 38 (1): 220-221.

  1. Watanabe S, Kouno A, Hongo T, Yao K, Okiji T: A Review of LLLT in Dentistry :Current Evidence from Systematic Reviews and Randomized Clinical Trials 2018.12; 29 (1): 10-25.

  2. Kasahara Y, Watanabe S, Okiji T : Clinical outcome of non-surgical root canal treatment using a single-cone technique with Endosequence bioceramic sealer:A retrospective analysis the Quintessence. 2018.11; 11 (37): 204-206.

  3. Okiji T: Preparing Future Strategies for Dentistry in the Super-aging Society Japanese Journal of Conservative Dentistry. 2018.10; 61 (5): 251.

  4. Okiji T: Future Strategy of Conservative Dentistry in the Super Aging Society Japanese Journal of Conservative Dentistry. 2018.10; 61 (5): 264-269. ( DOI , ichushi )

  5. Iino Y, Ebihara A, Sunakawa M, Okiji T: Application of optical coherence tomography in endodontics The Journal of Japan Society for Laser Surgery and Medicine. 2018.08; 39 (1): 50-58. ( DOI )

  6. Murano H, Watanabe S, Okiji T: Capping carious exposures in adults: a randomized controlled trial investigating mineral trioxide aggregate versus calcium hydroxide 2018.06; 37 (6): 202-204.

  7. Hanada T, Hashimoto M, Ikegami M, Uraba S, Okiji T, Yoshinari N, et al.: Reasons for the extraction of permanent teeth in Kami-ina area, Nagano Prefecture, Japan Japanese Journal of Conservative Dentistry. 2018.06; 61 (3): 163-170. ( DOI , ichushi )

  1. Watanabe S, Kouno A, Hongo T, Satake K, Ide A, Yao K, Okiji T: Apical Extrusion of Irrigating Solution during Root Canal Irrigation Activated by Er:YAG Laser:Effect of Tip Insertion Depth Journal of Japanese Society for Laser Dentistry. 2017.12; 28 (2,3): 31-35.

  2. TOKITA Daisuke, EBIHARA Arata, MIYARA Kana, OKIJI Takashi: Assessment of Torque and Vertical Force Generated by Torque-sensitive and Time-dependent Reciprocal Movements of Nickel-Titanium Rotary Root Canal Instruments The Japanese Society of Conservative Dentistry. 2017.06;

  3. Kawashima N, Tomura J, Yokota K, Okiji T: Effect of a pH-modified low-concentration EDTA irrigant on smear layer removal and dentin demineralization The Japanese journal of conservative dentistry. 2017.02; 60 (1): 32-39.

  1. Komatsu K, Ebihara A, Okiji T: Differential diagnosis of vertical root fractures using a three-dimensional bone defect evaluation system Journal of Japan Association of Dental Traumatology. 2016.12; 12 (1):

  2. Treatment Outcome of Repaired Root Perforation: A Systematic Review and Meta-analysis. the Quintessence. 2016.10; 35 (10): 218-220.

  3. Okiji T: Mineral trioxide aggregate: current development and physicochemical properties The Journal of the Japanese Society for Dental Materials and Devices. 2016.07; 35 (4, 5): 237-240. ( ichushi )

  4. Noda S, Watanabe S, Okiji T: A prospective study of the incidence of asymptomatic pulp necrosis following crown preparation The Quintessence. 2016.06; 35 (６): 226-228.

  5. Han L, Yamamoto S, Okiji T: Effect of a prototype S-PRG filler-containing endodontic paste on root canal dentin: dentinal tubule occlusion and incorporation of elements Japanese Journal of Conservative Dentistry. 2016.06; 59 (3): 279-286. ( DOI , ichushi )

  6. Watanabe S, Okiji T: Application of laser to endodontics The Journal of Japan Society for Laser Surgery and Medicine. 2016.04; 37 (1): 37-42.

  7. Ishizaki H, Nakajima T, Ito H, Okumura N, Kobayashi T, Uoshima K, Takagi R, Okiji T, Fujii N: Analysis and safety management of incidents in post-graduate clinical training The Journal of Japanese Dental Education. 2016.04; 32 (1): 29-36. ( ichushi )

  8. Nishijo M, Watanabe S, Okiji T: Outcome of orthograde retreatment after faild apicoectomy: use of mineral trioxide aggregate apical plug 2016.03; 35 (3): 203-205.

  9. Edanami N, Shigetani Y, Yoshiba K, Hinata G, Yoshiba N, Okiji T: Evaluation of the biocompatibility of a 4-META containing resin-based root canal sealer in the rat subcutaneous tissue Japanese Journal of Conservative Dentistry. 2016.02; 59 (1): 65-73. ( DOI , ichushi )

  10. Yamamoto S, Han L, Okiji T: S-PRG filler extract solutions induce dentinal tubule occulusion and elemental incorporation in ground human dentin The Journal of Japan Endodontic Association. 2016.01; 37 (1): 31-37. ( ichushi )

  11. Kawashima N, Saito M, Okiji T: Osr2 (odd-skipped related 2) induced differentiation of hard-tissue forming cells in mouse dental papilla cells The journal of Japan Endodontic Association. 2016.01; 37 (1): 38-44.

  1. Watanabe S, Okiji T: Application of Er:YAG laser for root-end cavity preparation in intentional replantation: a case report Journal of Japanese Society for Laser Dentistry. 2015.12; 26 (3): 130-135.

  2. Okiji T: Physicochemical and biological properties of mineral trioxide aggregate as a pulp capping material The Journal of the Stomatological Society, Japan. 2015.11; 82 (3): 88-93. ( PubMed , ichushi )

  3. Miyara K, Yahata Y, Tokita D, Ebihara E, Hanawa T, Okiji T: Phase transformation behavior and bending property of the Profile Vortex nickel-titanium endodontic instrument The Japanese Journal of Conservative Dentistry. 2015.10; 58 (5): 356-362. ( DOI , ichushi )

  4. Wakabayashi Y, Watanabe S, Okiji T: Treatment outcome of the teeth with cemental tears The Quintessence. 2015.10; 35 (10): 208-210.

  5. Sueyama Y, Kaneko T, Ito T, Okiji T: Effects of lipopolysaccharide-stimulation on CD146 mRNA expression in dental pulp stem cells and dental pulp tissues Japanese Journal of Conservative Dentistry. 2015.08; 58 (4): 282-289. ( DOI , ichushi )

  6. Satake K, Watanabe S, Okiji T: Clinical outcome of intentional replantation with preoperative orthodontic extrusion: a retrospective study. The Quintessence. 2015.07; 35 (7): 171-173.

  7. Han L, Okiji T: Dentinal tubule-occluding ability of S-PRG filler extract solutions on artificially demineralized bovine dentin Japanese Journal of Conservative Dentistry. 2015.02; 58 (1): 17-25. ( DOI , ichushi )

  1. Ohsumi T, Takenaka S, sakaue Y, wakamatsu R, terao Y, Ohshima H, Okiji T: Evaluation of the penetration ability and antimicrobial efficacy of Listerine® Natural Care against Streptococcus mutans biofilms Journal of the Japanese Society of Periodontology. 2014.09; 56 (3): 291-301. ( ichushi )

  2. Kazuhisa Satake, Satoshi Watanabe, Ayai Ide, Kanako Yao, Masaru Ichikawa, Tomoo Anjo, Arata Ebihara, Chihiro Kobayashi, and Hideaki Suda: Pressure Generated Outside the Apical Foramen During Er:YAG Laser-activated Irrigation J. Jpn. Soc. Laser Dent.. 2014.08; 25 (2): 70-74.

  3. Okiji T: Endontictreatment considerations according to the life stage of a patient Journal of the Japanese Association for Dental Science. 2014.03; 33 92-96. ( ichushi )

  1. Han L, Okiji T: Remineralization of artificially-demineralized dentin by calcium silicate-based endodontic materials The Journal of Japan Endodontic Association. 2013.09; 34 (3): 128-134. ( ichushi )

  2. Okiji T: Adhesive root canal sealers: current status and clinical considerations Adhesive Dentistry. 2013.08; 31 (2): 58-62. ( ichushi )

  3. Watanabe H, Asai T, Kazama R, Fukushima M, Okiji T: Effect of light-intensity and curing-time on Knoop hardness of resin cements Japanese Journal of Conservative Dentistry. 2013.06; 56 (3): 223-230.

  4. Yoshiba N, Yoshiba K, Ohkura N, Shigetani Y, Takei E, hosoya A, Nakamura H, Okiji T: Distributional alteration of extracellular matrix during wound healing of human dental pulp: Dynamic remodeling of fibrillin-1 matrix Japanese Journal of Conservative Dentistry. 2013.06; 56 (3): 161-168. ( ichushi )

  5. Kojima C, Takenaka S, Ohsumi T, Okiji T: A questionnaire-based assessment for popularizing a mouth rinse for self-care oral management Journal of the Japanese Society of Periodontology. 2013.06; 55 (2): 148-155. ( ichushi )

  6. Takenaka S, Ohsumi T, Wakamatsu R, Terao Y, Ohshima H, Okiji T: The penetration kinetics and the antimicrobial efficacy of Streptococcus mutans biofilm using Listerine Zero® Japanese Journal of Conservative Dentistry. 2013.04; 56 (2): 105-112. ( DOI , ichushi )

  7. Ito T, Yamanaka Y, Kaneko T, Yoshiba K, Yoshiba N, Shigetani Y, Okiji T: Reaction of Rat Subcutaneous Connective Tissue to Mineral trioxide Aggregate: Immunohistochemical and Molecular Biological Analysis of Macrophage-associated Molecules Japanese Journal of Conservative Dentistry. 2013.02; 56 (1): 9-16. ( ichushi )

  1. Hinata G, Shigetani Y, Yoshiba K, Okiji T: shaping ability of reciproc nickel-titanium instruments in simulated curved canals Japanese Journal of Conservative Dentistry. 2012.12; 55 (6): 381-388. ( ichushi )

  2. Watanabe H, Asai T, Kazama R, Nakamura T, Kanaya F, Ishizaki H, Fukushima M, Okiji T: Fracture strength and mode of fracture of direct post and composite core restorations using different glass-fiber posts: influence of cyclic loading Japanese Journal of Dental Esthetics. 2012.03; 24 (2): 67-73. ( ichushi )

  3. Okiji T, Han L, Shigetani Y, Yoshiba K: Mineral trioxide aggregate: Physicochemical and biological properties and their clinical implications The Journal of Japan Endodontic Association. 2012.03; 33 (1): 3-13. ( ichushi )

  4. Han L, Ishizaki H, Fukushima M, Okiji T: Effect of a prototype fluoride-containing tooth surface coating material on enamel and dentin surfaces Japanese Journal of Conservative Dentistry. 2012.02; 55 (1): 53-59. ( ichushi )

  1. Yamanaka Y, Kaneko T, Yoshiba K, Okiji T: Analysis of angiogenesis and apoptosis-related genes (bcl-2, and bax) during rat experimental periapical lesion development Japanese Journal of Conservative Dentistry. 2011.12; 54 (6): 368-374. ( ichushi )

  2. Han L, Okiji T: Bioactivity of calcium silicate-based endodontic materials: morphological and chemical analysis for surface precipitates and material-dentin interfaces The Journal of Japan Endodontic Association. 2011.09; 32 (3): 162-168. ( ichushi )

  3. Watanabe S, Kokuzawa C, Bolortuya G, Saegusa H, Anjo T, Ebihara A, Suda H : Influence of Root-end Cavity Preparation Using Er:YAG Laser on Vertical Root Fracture 2011.08; 22 (2): 100-107.

  1. Ajima H, Uoshima K, Ono K, Fujii N, Inoue M, Yamamura K, Saito I, Okiji T, Takagi R, Maeda T: A summery of the faculty development (FD) in the Niigata University Faculty of Dentistry and future prospectives The Journal of Japanese Dental Education. 2010.12; 26 (3): 349-353. ( ichushi )

  2. Han L, Fukushima M, Okiji T: Fluoride, calcium and phosphorus uptake by dentin from a resin modified glass ionomer-based material for dentin hypersensitivity treatment Japanese Journal of Conservative Dentistry. 2010.10; 53 (5): 502-507. ( ichushi )

  3. Shigetani Y, Ohkura N, Yoshiba K, Yoshiba N, Ohkura N, Okiji T: Gene expression of non-collagenous proteins in gaalas laser-irradiated rat molars Japanese Journal of Conservative Dentistry. 2010.10; 53 (5): 495-501. ( ichushi )

  4. Han L, Okiji T: Bioactivity of mineral trioxide aggregate: Incorporation of elements in the root canal dentin The Journal of Japan Endodontic Association. 2010.09; 31 (3): 200-204. ( ichushi )

  5. Watanabe H, Asai T, Kzama R, Fukushima M, Okiji T: Effect of ceramic surface etching on the fracture strength of CAD/CAM all-ceramic inlays Adhesive Dentistry. 2010.08; 28 (2): 61-66. ( ichushi )

  6. Tomita F, Okiji T: Shaping ability of GT series X rotary files in simulated curved canals The Journal of Japan Endodontic Association. 2010.05; 31 (2): 96-102. ( ichushi )

  7. Ono K, Yagi M, Ohuchi A, Uoshima K, Fujii N, Hayashi T, Saito I, Okiji T, Maeda T: Evaluation of the new dental curriculum for undergraduates at the Niigata University Faculty of DentiStry The Journal of Japanese Dental Education. 2010.04; 26 (1): 49-56. ( ichushi )

  1. Watanabe S, Hidetoshi S, AnjoT, Ebihara A, Suda H: Basic Analysis of Dentin Ablation by Er:YAG Laser with Tips for lntracanal Use 2009.08; 20 (2): 74-80.

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