Published Papers & Misc - OKIJI Takashi

1. 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. 2025.08; 20 (3): ( DOI )

2. Mint 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. 2025.08; 20 (3): ( DOI )

3. 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 )

4. 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): 874-882. ( DOI )

5. 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. 2025.04; 51 (in press): ( PubMed, DOI )

6. 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 )

7. Yu Z, Kawashima N, Sunada-Nara K, 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 Journal of Translational Medicine. 2025.01; 23 (1): 189. ( PubMed, DOI )

8. 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 )

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

10. Wang S, Kawashima N, Han P, Nara-Sunada K, 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 International Journal of Molecular Sciences. 2024.09; 25 (17): 9694. ( PubMed, DOI )

11. Kyaw MS, 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. 2024.08; 24 (1): 986. ( PubMed, DOI )

12. Kawashima N, Okiji T. Characteristics of inflammatory mediators in dental pulp inflammation and the potential for their control Frontiers in Dental Medicine. 2024.08; 5 1426887. ( DOI )

13. 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. ( PubMed, DOI )

14. 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. ( PubMed, DOI )

15. Kyaw MS, 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. 2024.05; 43 (3): 329-337. ( PubMed, DOI )

16. 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. ( PubMed, DOI )

17. 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. 2024.04; 19 (2): 929-936. ( PubMed, DOI )

18. 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 Dental Materials Journal. 2024.01; 43 (1): 106-111. ( PubMed, DOI )

19. 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.

20. 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 )

21. 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 )

22. 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 )

23. 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. 2023.09; ( DOI )

24. Yahata Y, Handa K, Okura N, Okamoto M, Itoh S, Kawashima N, Yanaka 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. 2023.09; 24 377-384. ( PubMed, DOI )

25. 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 )

26. 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 )

27. 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 )

28. 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 )

29. 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. ( PubMed, DOI )

30. 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 )

31. 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 )

32. 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 )

33. 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 )

34. Zaw ZCT, Kawashima N, Kaneko T, Okii 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 Iin vitro Journal of Dental Sciences. 2022.07; 17 (3): 1160-1168. ( PubMed, DOI )

35. 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 )

36. Maki K, Ebihara A, Unno H, Omori S, Nakatsukasa T, Kimura S, Okaji T. Effect of Different Downward Loads on Canal Centering Ability, Vertical Force, and Torque Generation during Nickel-Titanium Rotary Instrumentation Materials (Basel). 2022.04; 7 (15): 2724. ( PubMed, DOI )

37. 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 )

38. 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 (Switzerland). 2022.03; 12 (5): 2620. ( DOI )

39. 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 )

40. 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 )

41. 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; 12 (2): 70-76. ( DOI )

42. 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 (Basel). 2021.12; 15 (1): 284. ( PubMed, DOI )

43. 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. ( PubMed, DOI )

44. 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 )

45. Phyo YS, 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. 2021.07; 40 (4): 942-948. ( PubMed, DOI )

46. 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 )

47. 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 Dental Materials Journal. 2021.05; 40 (3): 743-749. ( PubMed, ichushi )

48. 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 )

49. 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. 2021.03; 16 (2): 654-660. ( PubMed, DOI )

50. 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 )

51. 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. ( PubMed, DOI )

52. 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 )

53. 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 )

54. 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. ( PubMed, DOI )

55. 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 )

56. 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 )

57. 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 )

58. 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). 2020.10; 13 (20): 4477. ( PubMed, DOI )

59. 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 )

60. Kouno A, Watanabe S, Hongo T, Yao K, Satake K, 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. ( PubMed, DOI )

61. Aung NPS, WatanabeS, KounoA, 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 Photomodulation, Photomedicine and Laser Surgery. 2020.07; 38 (7): 438-446. ( PubMed, DOI )

62. 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 )

63. 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 )

64. 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 )

65. 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. 2020.05; 53 (5): 636-646. ( PubMed, DOI )

66. 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. ( PubMed, DOI )

67. 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 )

68. 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 )

69. 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 )

70. 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. ( DOI )

71. 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 )

72. 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 )

73. 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 )

74. 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 )

75. 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. ( PubMed, DOI )

76. 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 )

77. 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. ( DOI )

78. 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 )

79. 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 )

80. 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 )

81. 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 )

82. 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. ( PubMed, DOI )

83. 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 )

84. 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. 2018.07; 37 (4): 549-554. ( PubMed, DOI )

85. 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 )

86. 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 )

87. Hashimoto K, Kawashima N, Ichinose S, Nara K, Noda S, Okiji T. EDTA treatment for sodium hypochlorite-treated dentin recovers disturbed attachment and induces differentiation of mouse dental papilla cells Journal of Endodontics. 2018.02; 44 (2): 256-262. ( PubMed, DOI )

88. 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 )

89. 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 )

90. 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 )

91. Yao K, Stake K, Watanabe S, Ebihara E, Kobayashi C, Okiji T. 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. 2017.12; 35 (12): 682-687. ( PubMed, DOI )

92. 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 )

93. 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.

94. 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 )

95. 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. 2017.07; 43 (10): 1706-1710. ( PubMed, DOI )

96. 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 )

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

98. 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 )

99. 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 )

100. 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 )

101. 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 )

102. 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 )

103. 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 )

104. 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 )

105. 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 )

106. 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 )

107. 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 )

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

109. 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 )

110. 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 )

111. 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 )

112. 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 )

113. 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 )

114. 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 )

115. 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 )

116. 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 )

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

118. 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 )

119. 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 )

120. 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 )

121. 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 )

122. 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 )

123. 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 )

124. 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 )

125. 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 )

126. 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 )

127. 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 )

128. 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 )

129. 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 )

130. 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 )

131. 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 )

132. 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 )

133. 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 )

134. 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 )

135. 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 )

136. 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 )

137. 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 )

138. 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 )

139. 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 )

140. 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 )

141. 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 )

142. 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 )

143. 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; 28 277-284.

144. 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; 214 267-274.

145. 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.

146. 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.

147. 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.

148. 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.

149. 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.

150. 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.

151. 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; 34 970-974.

152. 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.

153. Kaneko T, Okiji T, Zao L, Esguerra R, Suda H. Heterogeneity of dendritic cells in rat apical periodontitis Cell & Tissue Research. 2008; 331 617-623.

154. 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.

155. 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.

156. 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.

157. 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.

158. 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.

159. 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.

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

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

162. 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.

163. 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.

164. Kikuchi I, Wadachi R, Yoshioka T, Okiji T, Kobayashi C, Suda H. An experimental study on the vasoconstriction effect of calcium hydroxide using rat mesentery Australian Endodontic Journal. 2003; 29 116-119.

165. Okiji T. Modified usage of the Masserann kit for removing intracanal broken instruments Journal of Endodontics. 2003; 29 466-467.

166. 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; 46 713-720.

167. 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.

168. 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; 27 337-342.

169. 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.