Towithelertkul C, Murase M, Tamura S, Sumita YI, Wakabayashi N. Digital design of open hollow obturator framework using existing dentures: A dental technique. J Prosthet Dent. 2024.01; online. ( PubMed, DOI )

Ali IE, Tanikawa C, Chikai M, Ino S, Sumita YI, Wakabayashi N. Applications and performance of artificial intelligence models in removable prosthodontics: A literature review. J Prosthodont Res. 2023.10; online. ( PubMed, DOI )

Gao Y, Hattori M, Sumita YI, Wakabayashi N. Creating and analyzing digital scans of a mandibulectomy cast with simulated trismus. J Prosthet Dent. 2023.10; online. ( PubMed, DOI )

Tanabe G, Towithelertkul C, Fukutome M, Sumita YI, Wakabayashi N. All-in-one-piece type prosthesis combining an obturator, a facial prosthesis, and glasses for the rehabilitation of midfacial defect and its speech evaluation: A clinical report. Int J Maxillofac Prosthetics. 2023.09; 6 (1): 20-24. ( DOI )

Ali IE, Hattori M, Sumita YI, Wakabayashi N. Effect of cut-out rescan procedures on the accuracy of an intraoral scanner used for digitizing an ear model: An in vitro study. J Prosthodont. 2023.07; 32 (6): 527-533. ( PubMed, DOI )

Ali IE, Enomoto K, Sumita Y, Wakabayashi N. Combined digital-conventional workflow to fabricate a definitive obturator from an interim obturator for a patient with an anterior maxillectomy defect. J Prosthet Dent. 2023.06; online. ( PubMed, DOI )

Murase M, Pradhan N, Sumita YI, Wakabayashi N. Use of digital technology in prosthesis fabrication for an elderly patient with a maxillectomy and severe trismus: A clinical report. J Prosthet Dent. 2023.06; online. ( PubMed, DOI )

Gao Y, Hattori M, Zhang M, Elbashti ME, Sumita YI. Evaluating the feasibility and accuracy of digitizing a maxillary defect model simulating various trismus conditions. Int J Prosthodont. 2023.05; 36 (3): 366-374. ( PubMed, DOI )

Wang Y, Hattori M, Masaki K, Sumita YI. Detailed speech evaluation including formant 3 analysis and voice visualization in maxillofacial rehabilitation: A clinical report. J Prosthet Dent. 2023.05; online. ( PubMed, DOI )

Yu H, Fujita H, Akiyama M, Sumita YI, Wakabayashi N. Prevalence of possible dementia in patients with maxillofacial defects and difficulty of inserting obturator in maxillectomy patients: Toward better provision of supportive care. J Clin Med. 2023.04; 12 (7): 2722. ( PubMed, DOI )

Ali IE, Sumita YI, Hatano N, Kosaka M, Hoshi K, Wakabayashi N. Interdisciplinary management of a patient with medication-related osteonecrosis of the jaw: A clinical report. Int J Maxillofac Prosthetics. 2023.04; 6 (1): 16-19. ( DOI )

Ali IE, Sumita YI, Wakabayashi N. Comparison of Praat and Computerized Speech Lab for formant analysis of five Japanese vowels in maxillectomy patients. Front Neurosci. 2023.02; 17 1098197. ( PubMed, DOI )

Hattori M, Patzelt SBM, Itoh M, Sumita YI, Wakabayashi N. Case Report: Dental treatment for an oboist: Post-trauma prosthetic rehabilitation and evaluation of musical performance. Front Psychol. 2023.02; 13 1022205. ( PubMed, DOI )

Liu R, Hattori M, Zhang M, Sumita YI. Use of an occlusal ramp for rehabilitation after a mandibulectomy and its effects on mastication. J Prosthet Dent. 2023.01; 129 (1): 234-238. ( PubMed, DOI )

Ali IE, Otomaru T, Sumita YI. Refabrication of an implant-retained obturator using the denture duplication technique in a bilateral maxillectomy patient with a free fibula osteocutaneous flap. J Prosthodont Res. 2023.01; 67 (1): 157-160. ( PubMed, DOI, ichushi )

Wang J, Murase M, Towithelertkul C, Tani H, Sumita YI. Custom-made radiotherapy prosthesis for external and internal radiotherapy in a patient with lip cancer. J Oral Sci. 2023.01; 65 (1): 65-68. ( PubMed, DOI, ichushi )

Towithelertkul C, Sumita YI, Haraguchi M, Murase M, Fujita H, Tanabe G, Kanazaki A, Yoshi S, Kosaka M, Hattori M. A 20-year clinical survey of radiotherapy prostheses at the Clinic for Maxillofacial Prosthetics of Tokyo Medical and Dental University Hospital. J Oral Sci. 2023.01; 65 (1): 6-9. ( PubMed, DOI, ichushi )

Zhang M, Hattori M, Akiyama M, Elbashti ME, Liu R, Sumita YI. Three-dimensional evaluation of the dental arch in cleft lip and palate after prosthetic treatment. J Prosthodont Res. 2023.01; 67 (1): 87-92. ( PubMed, DOI, ichushi )

Hattori M, Patzelt SBM, Stadler S, Kohal RJ, Vach K, Elbashti ME, Sumita YI. Computerized optical scanning of ears: An in vitro evaluation with an intraoral scanner. J Prosthet Dent. 2022.12; online. ( PubMed, DOI )

Ali IE, Sumita YI . Medication-related osteonecrosis of the jaw: Prosthodontic considerations. Jpn Dent Sci Rev. 2022.11; 58 9-12. ( PubMed, DOI, ichushi )

Ali IE, Murase M, Yonehara Y, Sumita YI. Time and cost of maxillofacial prosthetic treatment: The need for assessment. Jpn Dent Sci Rev. 2022.11; 58 67-68. ( PubMed, DOI )

Wang Y, Hattori M, Liu R, Sumita YI. Digital acoustic analysis of the first three formant frequencies in patients with a prosthesis after maxillectomy. J Prosthet Dent. 2022.11; online. ( PubMed, DOI )

Towithelertkul C, Sumita YI, Murakami T, Notake R, Akiyama M, Yoshimura R, Wakabayashi N. Radiation attenuation properties of materials used to fabricate radiotherapy prostheses in vitro study. J Oral Sci. 2022.10; 64 (4): 274-278. ( PubMed, DOI )

Haraguchi M, Towithelertkul C, Ali IE, Han X, Sumita YI. An indirect-direct technique with hot water for fabricating a cast metal crown under an existing removable partial denture. J Prosthet Dent. 2022.09; online. ( PubMed, DOI )

Ali ASM, Hattori M, Sumita YI. Consonant evaluation during fabrication of a removable prosthesis for a cleft lip and palate patient: A clinical report. Int J Maxillofac Prosthetics. 2022.09; 5 (1): 22-24. ( DOI )

Hattori M, Haraguchi M, Semper-Hogg W, Kohal RJ, Sumita YI. Prosthodontic rehabilitation on a patient with limited mouth opening related to rheumatoid arthritis: A clinical report. Int J Maxillofac Prosthetics. 2022.09; 5 (1): 18-21. ( DOI )

Towithelertkul C, Haraguchi M, Tanabe G, Fujita H, Ali IE, Han X, Sumita YI. Two-piece detachable interlocking mold for low-dose-rate brachytherapy: A dental technique for radiotherapy prosthesis fabrication. J Prosthet Dent. 2022.08; online. ( PubMed, DOI )

Ali IE, Chugh A, Towithelertkul C, Hattori M, Sumita YI. The rising challenge of mucormycosis for maxillofacial prosthodontists in the Covid-19 pandemic: A literature review. J Prosthodont Res. 2022.07; 66 (3): 395-401. ( PubMed, DOI, ichushi )

Elbashti ME, Aswehlee AM, Rahman MA, Sumita YI, Bornstein MM, Schimmel M, Abou-Ayash S, Molinero-Mourelle P. Triangular mesh reduction of digitized maxillectomy defects for prosthetic rehabilitation: A 3D deviation study. J Dent. 2022.07; 122 104090. ( PubMed, DOI )

Murase M, Tani H, Sumita YI, Ino S, Taniguchi H. Nutritional assessment in a maxillectomy patient from the preoperative period to definitive obturator insertion: A case report. J Prosthodont Res. 2022.07; 66 (3): 514-518. ( PubMed, DOI, ichushi )

Elbashti ME, Molinero-Mourelle P, Aggarwal H, Aswehlee AM, Schimmel M, Abou-Ayash S, Yamamori T, Baba K, Sumita YI. Feasibility and accuracy of using intraoral scanners to digitize maxillectomy defects for prosthetic rehabilitation: A systematic review. Int J Maxillofac Prosthetics. 2022.05; 5 (1): 3-9. ( DOI )

Zhang F, Hattori M, Sumita YI. Facial prosthesis fabricated from dental material for an exposed reconstruction plate: A clinical report. Int J Maxillofac Prosthetics. 2022.05; 5 (1): 10-12. ( DOI )

Han X, Haraguchi M, Sumita YI. Effect of a lingual augmentation prosthesis for preventing salivation after subtotal glossectomy: A clinical report. Int J Maxillofac Prosthetics. 2022.05; 5 (1): 13-17. ( DOI )

Tanabe G, Hattori M, Obata S, Takahashi Y, Churei H, Nishiyama A, Ueno T, Sumita YI. Case report: Psychoacoustic analysis of a clarinet performance with a custom-made soft lip shield worn to prevent mucosal erosion of lower lip. Front Psychol. 2022.04; 13 852866. ( PubMed, DOI )

Hattori M, Murase M, Sumita YI. Hoarseness evaluation and prosthetic rehabilitation after maxillofacial surgery: A clinical report. Int J Maxillofac Prosthetics. 2022.02; 4 43-46. ( DOI )

Tani H, Sumita YI, Murase M, Ino S. Factors affecting resting energy expenditure in patients treated for head and neck cancer in the perioperative period. Maxillofacial Prosthetics. 2021.12; 44 (2): 29-36. ( ichushi )

Towithelertkul C, Chugh A, Hattori M, Yoshimura R, Sumita YI. A custom-made brachytherapy applicator for recurrent endometrial and vaginal cancer: A dental technique for prosthesis fabrication. J Prosthet Dent. 2021.11; 126 (5): 711-714. ( PubMed, DOI )

Awuti S, Wang TM, Ariani N, Naveau A, Somogyi-Ganss E, Hattori M, Sumita YI. Piezography approach to denture fabrication for a partial glossectomy patient: A clinical report. Int J Maxillofac Prosthetics. 2021.10; 4 37-42. ( DOI )

Towithelertkul C, Hattori M, Otomaru T, Mano Y, Ino S, Sumita YI. An approach for supporting quality of life in edentulous patient with extensive bilateral maxillary defect: A clinical report. Oral Dent Health Res. 2021.10; 3 (3): 133. ( DOI )

Tanabe G, Hasunuma T, Inai Y, Takeuchi Y, Kobayashi H, Hayashi K, Shimizu S, Kamiya N, Churei H, Sumita YI, Suzuki K, Moriya N, Ueno T. Potential assessment of dehydration during high-Intensity training using a capacitance sensor for oral mucosal moisture: evaluation of elite athletes in a field-based survey. Chemosensors. 2021.07; 9 (8): 196. ( DOI )

Hayashi K, Churei H, Shrestha A, Suzuki T, Matsubara H, Otomaru T, Sumita YI, Uddin Chowdhury R, Uddin Chowdhry N, Ueno T. Fabrication technique of obturator-type sports mouthguard for a patient who had undergone maxillectomy and its speech intelligibility assessment:A case report. J Prosthodont Res. 2021.06; 65 (2): 261-265. ( PubMed, DOI, ichushi )

Elbashti ME, Sumita YI, Hattori M, Aswehlee AM, Taniguchi H. Use of digital technologies in maxillofacial prosthetics in Japan. Int J Maxillofac Prosthetics. 2021.06; 4 25-36. ( DOI )

Zhang M, Hattori M, Elbashti ME, Sumita YI. Comparison of data acquisition for maxillectomy patients using two different intraoral scanners. Maxillofacial Prosthetics. 2021.06; 44 (1): 1-6. ( DOI ichushi )

Kanazaki A, Hu J, Otomaru T, Sumita YI. Evaluation of xerostomia and effect of maxillofacial prosthesis use on mouth dryness in head and neck tumor patients. Int J Maxillofac Prosthetics. 2021.04; 4 9-17. ( DOI )

Awuti S, Sumita YI, Elbashti ME, Kelimu S, Aswehlee AM, Hattori M. The role of non-contact digitizer in geometrical evaluation of mandibular prostheses effect on facial asymmetry of mandibulectomy patients. J Prosthodont Res. 2021.02; 65 (1): 86-90. ( PubMed, DOI, ichushi )

Wang Y, Hattori M, Garg P, Wesemann C, Ariff TFTM, Fredes CL, Sumita YI. Two-step fabrication of an obturator prosthesis for a large maxillary defect with digital speech analysis: A case report. Int J Maxillofac Prosthetics. 2021.01; 3 32-36. ( DOI )

Fujita H, Otomaru T, Takahashi H, Iwasaki N, Said MM, Abdel-Khalek EA, Sumita YI. Effect of direct retainer types for a dento-maxillary prosthesis on abutment teeth of maxillectomy patients: In vitro study. Maxillofacial Prosthetics. 2020.12; 43 (2): 73-84. ( DOI ichushi )

Elbashti ME, Itamiya T, Aswehlee AM, Sumita YI, Ella B, Naveau A. Augmented reality for interactive visualization of 3D maxillofacial prosthetic data. Int J Prosthodont. 2020.11; 33 (6): 680-683. ( PubMed, DOI )

Murase M, Tani H, Ino S, Sumita YI. Nutrition assessment of an elderly patient with recurrent advanced carcinoma of the maxilla: A case report. Int J Maxillofac Prosthetics. 2020.10; 3 28-31. ( DOI )

Liu Y, Hattori M, Sumita YI. A technique of speech aid adjustment with the assistance of nasalance values for non-nasal and nasal sounds. Int J Maxillofac Prosthetics. 2020.08; 3 23-27. ( DOI )

Zhang M, Hattori M, Elbashti ME, Sumita YI. Feasibility of intraoral scanning for data acquisition of maxillectomy defects. Int J Prosthodont. 2020.07; 33 (4): 452-456. ( PubMed, DOI )

Kelimu S, Sumita YI, Hattori M, Elbashti ME, Awuti S, Kanazaki A. A nonconventional approach to prevent mouth dryness in a patient with a complex maxillofacial defect. Int J Maxillofac Prosthetics. 2020.04; 3 7-11. ( DOI )

Yu H, Wang Y, Sumita YI, Hattori M. Maxillofacial prosthetic rehabilitation in a patient with a high-arched palate. Open J Clin Med Case Rep. 2020.04; 6 (8): 1657.

Kamiyanagi A, Sumita YI, Hattori M, Otomaru T, Murase M, Haraguchi M, Watanabe M, Taniguchi H. Clinical survey about immediate surgical obturator at the clinic for Maxillofacial Prosthetics Tokyo Medical and Dental University. J Prosthodont Res. 2020.04; 64 (2): 237-238. ( PubMed, DOI, ichushi )

Awuti S, Sumita YI, Hattori M, Yoshi S, Kelimu S, Ohbayashi N, Kurabayashi T, Taniguchi H. Morphological comparison of artificial teeth position utilising denture space in glossectomy patients. Gerodontology. 2020.03; 37 (1): 72-77. ( PubMed, DOI )

Sumita YI, Kamarudin KH, Hattori M, Kamiyanagi A, Namba T, Ino S. Obturatros to facilitate speech and swallowing in a maxillectomy pateint with dementia and cerebral infarction International Journal of Maxillofacial Prosthetics. 2019.12; 1 (1): 33-35.

Elbashti ME, Sumita YI, Aswehlee AM, Seelaus R. Smartphone application as a low-cost alternative for digitizing facial defects: Is it accurate enough for clinical application? Int J Prosthodont. 2019.11; 32 (6): 541-543. ( PubMed, DOI )

Elbashti ME, Sumita YI, Hattori M, Aswehlee AM, Taniguchi H. Digitized speech characteristics in patients with maxillectomy defects. J Prosthodont. 2019.07; 28 (6): 649-655. ( PubMed, DOI )

Yeerken Y, Otomaru T, Sumita YI. Three assessments of food-mixing ability and their association with food-comminuting and perceived chewing ability in maxillectomy patients. Maxillofacial Prosthetics. 2019.06; 42 (1): 39-44. ( DOI ichushi )

Elbashti ME, Hattori M, Patzelt SBM, Aswehlee AM, Sumita YI, Taniguchi H. Precision and trueness of computerized optical impressions in maxillectomy defects: An in vitro 3D comparison. Int J Prosthodont. 2019.05; 32 (3): 289-292. ( PubMed, DOI )

Aswehlee AM, Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Geometric evaluation of the effect of prosthetic rehabilitation on facial asymmetry in mandibulectomy patients. Int J Prosthodont. 2019.05; 32 (3): 293-296. ( PubMed, DOI )

Kelimu S, Hattori M, Awuti S, Elbashti ME, Sumita YI, Taniguchi H. Color change of airborne particle-abraded acrylic resin surfaces: A palatography method. J Prosthet Dent. 2019.04; 121 (4): 671-675. ( PubMed, DOI )

Elbashti ME, Sumita YI, Kelimu S, Aswehlee AM, Awuti S, Hattori M, Taniguchi H. Application of digital technologies in Maxillofacial Prosthetics literature: A 10-year observation of five selected prosthodontics journals. Int J Prosthodont. 2019.01; 32 (1): 45-50. ( PubMed, DOI )

Kosaka M, Sumita YI, Taniguchi H, Suzuki T, Sasaki K. Evaluation of salivary cortisol levels in relation to dento-maxillary prosthesis adjustment. J Prosthodont Res. 2019.01; 63 (1): 73-77. ( PubMed, DOI )

Awuti S, Sumita YI, Kelimu S, Hattori M, Taniguchi H. One-day refabrication technique for a lip plumper in a patient with cleft lip and palate: A clinical report. Open Journal of Clinical and Medical Case Reports. 2018.12; 4 (23): 1495.

Aswehlee AM, Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Feasibility and accuracy of noncontact three-dimensional digitizers for geometric facial defects: An in vitro comparison. Int J Prosthodont. 2018.11; 31 (6): 601-606. ( PubMed, DOI )

Yanagi A, Sumita YI, Hattori M, Kamiyanagi A, Otomaru T, Kanazaki A, Haraguchi M, Murase M, Hatano N, Taniguchi H. Clinical survey over the past 35 years at the clinic for maxillofacial prosthetics Tokyo Medical and Dental University. J Prosthodont Res. 2018.07; 62 (3): 309-312. ( PubMed, DOI, ichushi )

Elbashti ME, Aswehlee AM, Sumita YI, Hattori M, Taniguchi H. The role of portable documentation format in three-dimensional interactive visualization in Maxillofacial Prosthetics. Int J Prosthodont. 2018.07; 31 (4): 399-400. ( PubMed, DOI )

Elbashti ME, Sumita YI, Aswehlee AM, Haraguchi M, Otomaru T, Hattori M, Taniguchi H. Preschool and school phases of postmaxillectomy prosthetic rehabilitation in a child: A clinical report. J Prosthodont. 2018.06; 27 (5): 482-487. ( PubMed, DOI )

Kamarudin KH, Hattori M, Sumita YI, Taniguchi H. A chairside technique to add customized anterior acrylic resin teeth to a surgical obturator. J Prosthet Dent. 2018.05; 119 (5): 852-854. ( PubMed, DOI )

Aswehlee AM, Hattori M, Elbashti ME, Sumita YI, Taniguchi H. Geometric evaluation of the effect of prosthetic rehabilitation on facial asymmetry in patients with unilateral maxillectomy. Int J Prosthodont. 2018.05; 31 (3): 228-235. ( PubMed, DOI )

Hattori M, Sumita YI, Elbashti ME, Kurtz KS, Taniguchi H. Effect of experimental palatal prosthesis on voice onset time. J Prosthodont. 2018.03; 27 (3): 223-226. ( PubMed, DOI )

Sumita YI, Hattori M, Murase M, Elbashti ME, Taniguchi H. Digitised evaluation of speech intelligibility using vowels in maxillectomy patients. J Oral Rehabil. 2018.03; 45 (3): 216-221. ( PubMed, DOI )

Yeerken Y, Otomaru T, Said M, Li N, Sumita YI, Taniguchi H. Prosthetic treatment of a unilateral left cleft lip and palate with an oronasal fistula: A case report Open Journal of Clinical and Medical Case Reports. 2018.03; 4 (6): 1394.

Kamiyanagi A, Sumita YI, Ino S, Chikai M, Nakane A, Tohara H, Minakuchi S, Seki Y, Endo H, Taniguchi H. Evaluation of swallowing ability using swallowing sounds in maxillectomy patients. J Oral Rehabil. 2018.02; 45 (2): 126-131. ( PubMed, DOI )

Elbashti ME, Aswehlee AM, Hattori M, Sumita YI, Michi Y, Uzawa N, Yamaguchi S, Harada H, Taniguchi H. Surgeons' awareness of the considerations for prosthetic rehabilitation in maxillectomy patients. Maxillofacial Prosthetics. 2017.12; 40 (2): 28-36. ( DOI ichushi )

Aswehlee AM, Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Geometric evaluation of the effect of prosthetic rehabilitation on the facial appearance of mandibulectomy patients: A preliminary study. Int J Prosthodont. 2017.09; 30 (5): 455-457. ( PubMed, DOI )

Elbashti ME, Ashwehlee AM, Zaggut A, Hattori M, Sumita YI, Taniguchi H. The role of digital technology in overseas maxillofacial prosthetic collaboration; a model of future collaboration. Libyan Dental Journal. 2017.08; 7 (1): 1-7.

Yanagi A, Murase M, Sumita YI, Taniguchi H. Investigation of nutritional status using the Mini Nutritional Assessment-Short Form and analysis of the relevant factors in patients with head and neck tumour. Gerodontology. 2017.06; 34 (2): 227-231. ( DOI )

Sumita YI, Hattori M, Elbashti ME, Taniguchi H. Orientation of handle for successful prosthetic treatment in patients with an anatomic compromise after a maxillectomy. J Prosthet Dent. 2017.05; 117 (5): 694-696. ( PubMed, DOI )

Kamiyanagi A, Sumita YI, Chikai M, Kimura K, Seki Y, Ino S, Taniguchi H. Evaluation of swallowing sound using a throat microphone with an AE sensor in patients wearing palatal augmentation prosthesis Journal of Advanced Computational Intelligence and Intelligent Informatics. 2017.05; 21 (3): 573-580. ( DOI )

Said MM, Otomaru T, Sumita Y, Leung KCM, Khan Z, Taniguchi H. Systematic review of literature: functional outcomes of implant-prosthetic treatment in patients with surgical resection for oral cavity tumors. J Investig Clin Dent. 2017.05; 8 (2): e12207. ( PubMed, DOI )

Chikai M, Kamiyanagi A, Kimura K, Seki Y, Endo H, Sumita YI, Taniguchi H, Ino S. Pilot study on an acoustic measurements system of the swallowing function using an acoustic-emissions microphone Journal of Advanced Computational Intelligence and Intelligent Informatics. 2017.03; 21 (2): 293-300. ( DOI )

Elbashti ME, Hattori M, Patzelt SB, Schulze D, Sumita YI, Taniguchi H. Feasibility and accuracy of digitizing edentulous maxillectomy defects: A comparative study. Int J Prosthodont. 2017.03; 30 (2): 147-149. ( PubMed, DOI )

Yeerken Y, Otomaru T, Kamarudin KH, Sumita YI, Said M, Munakata M, Kasugai S, Taniguchi H.. Prosthodontic rehabilitation of a mandibulectomy patient with an implant-retained overdenture: A clinical report Open Journal of Clinical and Medical Case Reports. 2017.02; 1218.

Yoshi S, Sumita YI, Hattori M, Ohbayashi N, Kurabayashi T, Taniguchi H. The morphological evaluation of denture space in glossectomy patients. Maxillofacial Prosthetics. 2016.12; 39 (2): 60-67. ( DOI ichushi )

Elbashti ME, Mohamed AA, Hattori M, Sumita YI, Taniguchi H. The future of maxillofacial prosthetics in Libya: A call to establish the field. The Libyan Dental Journal . 2016.12; 6 1-6. ( DOI )

Sumita YI, Hattori M, Shigen Y, Taniguchi H. Facial prosthesis using an acrylic base for a patient with a large facial defect. JSM Dental Surgery. 2016.11; 1 (1): 1006.

Elbashti ME, Sumita YI, Hattori M, Aswehlee AM, Taniguchi H. The role of digitization in the rapid reproduction of an obturator in a frail elderly patient. Int J Prosthodont. 2016.11; 29 (6): 592-594. ( PubMed, DOI )

Otomaru T, Sumita YI, Aimaijiang Y, Munakata M, Tachikawa N, Kasugai S, Taniguchi H. Rehabilitation of a bilateral maxillectomy patient with a free fibula osteocutaneous flap and with an implant-retained obturator: A clinical report. J Prosthodont. 2016.06; 25 (4): 341-348. ( PubMed, DOI )

Elbashti ME, Hattori M, Sumita YI, Aswehlee AM, Yoshi S, Taniguchi H. Creating a digitized database of maxillofacial prostheses (obturators): A pilot study. J Adv Prosthodont. 2016.06; 8 (3): 219-223. ( PubMed, DOI )

Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Evaluation of articulation simulation system using artificial maxillectomy models. J Oral Rehabil. 2015.09; 42 (9): 678-684. ( PubMed, DOI )

Hattori M, Sumita YI, Taniguchi H. Sound analysis of a musical performance to evaluate prosthodontic treatment for a clarinet player. J Prosthodont. 2015.01; 24 (1): 71-77. ( PubMed, DOI )

Hattori M, Sumita YI, Taniguchi H. Influence of changes in the oral cavity on the performance of recorder players: a pilot study. J Prosthet Dent. 2014.05; 111 (5): 425-429. ( PubMed, DOI )

Hattori M, Sumita YI, Muthiah L, Iwasaki N, Takahashi H, Aimaijiang Y, Yoshi S, Taniguchi H. Effect of fabrication process on the bond strength between silicone elastomer and acrylic resin for maxillofacial prosthesis. Dent Mater J. 2014.02; 33 (1): 16-20. ( PubMed, DOI, ichushi )

Kosaka M, Sumita YI, Otomaru T, Taniguchi H. Differences of salivary cortisol levels between long-term and short-term wearers of dento-maxillary prosthesis due to head and neck cancer resection. J Prosthodont Res. 2014.01; 58 (1): 41-47. ( PubMed, DOI )

Hattori M, Sumita YI, Taniguchi H. Measurement of voice onset time in maxillectomy patients. ScientificWorldJournal. 2014.01; 2014 925707. ( PubMed, DOI )

Hattori M, Sumita YI, Taniguchi H. Psychoacoustic evaluation of the human voice: gender and age differences in the production of 14 consonants International Journal of Oral Research. 2014; 5

Hattori M, Sumita YI, Taniguchi H. Automatic evaluation of speech impairment caused by wearing a dental appliance Open Journal of Stomatology. 2013.10; 3 (7): 365-369. ( DOI )

Morimata J, Otomaru T, Murase M, Haraguchi M, Sumita YI, Taniguchi H. Investigation of factor affecting health-related quality of life in head and neck cancer patients. Gerodontology. 2013.09; 30 (3): 194-200. ( PubMed, DOI )

Sumita YI, Otomaru T, Taniguchi H. Effects of a denture adhesive in edentulous patients after maxillectomy. Gerodontology. 2012.06; 29 (2): e645-e649. ( PubMed, DOI )

Otomaru T, Sumita YI, Morimata J, Taniguchi H. Effects of using denture adhesive with a dento-maxillary prosthesis on food mixing ability in post-maxillectomy patients with edentulous maxillae. Maxillofacial Prosthetics. 2012.06; 35 (1): 8-13. ( ichushi )

Chowdhury NU, Otomaru T, Murase M, Inohara K, Hattori M, Sumita YI, Taniguchi H. A new simple evaluation method of the monosyllable /sa/ using a psychoacoustic system in maxillectomy patients. J Prosthodont Res. 2011.01; 55 (1): 7-11. ( PubMed, DOI, ichushi )

Inohara K, Sumita YI, Ohbayashi N, Ino S, Kurabayashi T, Ifukube T, Taniguchi H. Standardization of thresholding for binary conversion of vocal tract modeling in computed tomography. J Voice. 2010.07; 24 (4): 503-509. ( PubMed, DOI )

Otomaru T, Aimaijiang Y, Sumita YI, Takahashi T, Ueno T, Fueki K, Igarashi Y, Taniguchi H. Evaluation of stomagnathic function after prosthodontic treatment in a mandibulectomy patient. Maxillofacial Prosthetics. 2010.06; 33 (1): 23-29. ( ichushi )

Hattori M, Sumita YI, Kimura S, Taniguchi H. Application of an automatic conversation intelligibility test system using computerized speech recognition technique. J Prosthodont Res. 2010.01; 54 (1): 7-13. ( PubMed, DOI, ichushi )

Otomaru T, Sumita YI, Chang Q, Fueki K, Igarashi Y, Taniguchi H. Investigation of predictors affecting food mixing ability in mandibulectomy and/or glossectomy patients. J Prosthodont Res. 2009.07; 53 (3): 111-115. ( PubMed, DOI )

Otomaru T, Sumita YI, Taniguchi H. Reliability of a tongue movement test in patients with mandibulectomy and/or glossectomy. Maxillofacial Prosthetics. 2008.12; 31 (2): 61-66. ( ichushi )

Prunkngarmpun C, Sumita YI, Taniguchi H. Three monosyllables for standard words in Nasometer test: to evaluate air leakage in maxillectomy patients. Nihon Hotetsu Shika Gakkai Zasshi. 2008.10; 52 (4): 507-512. ( PubMed, DOI )

Hagino A, Inohara K, Sumita YI, Taniguchi H. Investigation of the factors influencing the outcome of prostheses on speech rehabilitation of mandibulectomy patients. Nihon Hotetsu Shika Gakkai Zasshi. 2008.10; 52 (4): 543-549. ( PubMed, DOI )

Kadota C, Sumita YI, Wang Y, Otomaru T, Mukohyama H, Fueki K, Igarashi Y, Taniguchi H. Comparison of food mixing ability among mandibulectomy patients. J Oral Rehabil. 2008.06; 35 (6): 408-414. ( PubMed, DOI )

Murase M, Sumita YI, Taniguchi H. Evaluation of voice production by acoustic measurements in mandibulectomy patients. Maxillofacial Prosthetics. 2008.06; 31 (1): 1-9. ( ichushi )

Taniguchi H, Sumita YI, Otomaru T, Minamisawa N, Inohara K. Maxillofacial Prosthodontics Current Treatment and Research Prosthodontic Research & Practice. 2008; 7 (2): 132-134. ( DOI )

Hattori M, Sumita YI, Kimura S, Mukohyama H, Taniguchi H. Development of an automatic speech intelligibility test system using a computerized speech recognition technique. Maxillofacial Prosthetics. 2005.12; 28 (2): 46-58. ( ichushi )

谷口　尚, 隅田由香, 初野有人. 頭頸部癌術後の咀嚼・嚥下のリハビリテーション－顎補綴の立場から－ 頭頸部癌. 2005.10; 31 (3): 319-325. ( DOI )

Mukohyama H, Haraguchi M, Sumita YI, Iida H, Hata Y, Kishimoto S, Taniguchi H. Rehabilitation of a bilateral maxillectomy patient with a free fibula osteocutaneous flap. J Oral Rehabil. 2005.07; 32 (7): 541-544. ( PubMed, DOI )

Yoshioka F, Ozawa S, Sumita YI, Mukohyama H, Taniguchi H. The pattern of tongue pressure against the palate during articulating glossal sounds in normal subjects and glossectomy patients. J Med Dent Sci. 2004.03; 51 (1): 19-25. ( PubMed )

Sumita YI, Ozawa S, Mukohyama H, Ueno T, Ohyama T, Taniguchi H. Digital acoustic analysis of five vowels in maxillectomy patients. J Oral Rehabil. 2002.07; 29 (7): 649-656. ( PubMed, DOI )

Ali IE, Sumita YI, Wakabayashi N. Advancing maxillofacial prosthodontics using pretrained convolutional neural networks: Image-based classification of the maxilla. The 70th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2023.10.21 San Diego (USA)

Haraguchi M, Ali IE, Takada A, Sumita YI. Prosthetic rehabilitation in a severe case of MRONJ with total sequestration of the entire dentoalveolar segment. The 70th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2023.10.21 San Diego (USA)

Bai Z, Han X, Sumita YI, Hattori M, Maki K, Aboelez MA, Wakabayashi N. Predicting maximum occlusal force and tongue pressure in head and neck cancer patients using decision tree analysis. The 20th Biennial Meeting of the International College of Prosthodontists 2023.10.15 Shanghai (China)

Tanabe G, Hattori M, Mizuguchi D, Masaki K, Wang Y, Hasegawa S, Tohara H, Sumita YI. Effect of voice training on maxillofacial function; a preliminary survey. Musicians' and Performing Artists' Health and Performance Conference 2022 (MHPC22) 2022.09.23 Oslo (Norway)+Web

Hattori M, Tanabe G, Patzelt SBM, Schulze D, Sumita YI. Visualization of oral function during playing a wind instrument by a lateral dental impression: a proof-of-concept investigation. Musicians' and Performing Artists' Health and Performance Conference 2022 (MHPC22) 2022.09.22 Oslo (Norway)+Web

Sumita YI. Digitized acoustic evaluation: An objective approach to improve speech in head and neck cancer patients. Digitodontics Webinar Series 2022.07.07 (Webinar)

Hattori M, Tanabe G, Sumita YI, Obata S, Churei H, Ueno T. Does playing music influence the rehabilitation of a maxillofacial defect patient?. 40th Annual PAMA International Symposium 2022.06.25 Chicago (USA)+Web

Wang J, Murase M, Towithelertkul C, Tani H, Sumita YI. Radiotherapy prosthesis for external and internal radiotherapy of the patient with lip cancer. The 68th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2021.10.22 (Virtual Meeting)

Yu H, Fujita H, Sumita YI. Dementia research at the clinic for Maxillofacial Prosthetics Tokyo Medical and Dental University. The 68th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2021.10.22 (Virtual Meeting)

Towithelertkul C, Murakami T, Notake R, Akiyama M, Yoshimura R, Sumita YI. Investigation of attenuation property among materials using for radiotherapy prostheses. An in vitro study. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Sumita YI, Awuti S, Wang TM, Ariani N, Naveau A, Somogyi-Ganss E, Elbashti ME, Hattori M. Piezography approach to denture fabrication for a partial glossectomy patient: A clinical report. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Han X, Haraguchi M, Taniguchi H, Sumita YI, Hattori M, Murase M, Fujita H. The retrospective study of telescopic denture treatment for 1044 cleft lip and palate patients. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Chugh A, Hattori M, Towithelertkul C, Ali IE, Sumita YI. Mucormycosis epidemic in COVID19 pandemic. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Wang Y, Liu R, Hattori M, Sumita YI. Digital acoustic analysis the first three formant frequency in maxillectomy patients with prosthesis. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Gao Y, Hattori M, Sumita YI. Fabrication of an implant-assisted overdenture for a mandibulectomy patient using flange technique: A case report. 19th Biennial Meeting of the International College of Prosthodontists 2021.09.23 (Virtual Meeting)

Tanabe G, Hattori M, Obata S, Takahashi Y, Sumita YI, Ueno T . Psychoacoustic analysis of a clarinet performance with soft type custom made lip shield to prevent mucosal erosion of lower lip: A case study. The 39th Annual PAMA International Symposium 2021.06.24 New York, USA (Virtual Meeting)

Hattori M, Tanabe G, Nishiyama A, Churei H, Tanase R, Sumita YI. Use of 4D facial scanner in musicians’ dentistry: Facial surface analysis while playing the recorder. The 39th Annual PAMA International Symposium 2021.06.24 New York, USA (Virtual Meeting)

Towithelertkul C, Makie A, Sumita YI, Hattori M, Matsubara H. Switching from unstable telescopic denture to overdenture on existing telescopic crowns on a patient with bilateral cleft of lip and palate: A dental technique report. ACPA’s 78th Annual Meeting 2021.04.28 (Virtual Meeting)

Zhang M, Hattori M, Elbashti ME, Sumita YI. Possibility of powder-less intraoral scanning for data acquisition of patients with cleft lip and palate. American Cleft Palate-Craniofacial Association's 78th Annual Meeting 2021.04.28 (Virtual Meeting)

Sumita YI. Usage of digital technology in the field of maxillofacial prosthetics. The 7th Biennial Joint Congress of JPS-CPS-KAP 2021.02.19 (Virtual Meeting)

Murase M, Tani H, Tachikawa N, Sumita YI. Reconstructed flap management using denture for functional implant placement after mandibular gingival cancer resection . The 7th Biennial Joint Congress of JPS-CPS-KAP 2021.02.19 (Virtual Meeting)

Hattori M, Chugh A, Towithelertkul C, Zhang M, Sumita YI. Consonant evaluation on a cleft lip and palate patient wearing a removable prosthesis. The 7th Biennial Joint Congress of JPS-CPS-KAP 2021.02.19 (Virtual Meeting)

Sumita YI. Nutritional issues in head and neck cancer patients. 13th Biennial Conference of International Society of Maxillofacial Rehabilitation 2021.02.12 Pune (India) (Online)

Gao Y, Hattori M, Sumita YI. Performing and analyzing digital impression of a mandibulectomy model with simulated trismus condition. The 67th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2020.10.17 (Webinar)

Zhang M, Hattori M, Elbashti ME, Sumita YI. Comparison of data acquisition for maxillectomy patients using two different intraoral scanners. The 67th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2020.10.17 (Webinar)

Wang Y, Hattori M, Garg P, Wesemann C, Ariff TFTM, Fredes CL, Sumita YI. Two- steps fabrication of an obturator prosthesis for a large maxillary defect with digital speech analysis. The 67th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2020.10.17 (Webinar)

Liu R, Hattori M, Sumita YI. Use of nasal speaking valve and voice measurement in maxillofacial restoration. The 67th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2020.10.17 (Webinar)

Towithelertkul C, Sumita YI, Hattori M, Otomaru T. Processed record base technique obturator for edentulous patient with extensive maxillary defect. The 67th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2020.10.17 (Webinar)

Awuti S, Kelimu S, Hattori M, Sumita YI. Morphological difference of the denture space for patients taken with and without instruction. The 66th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2019.10.26 Florida (USA)

Fujita H, Otomaru T, Takahashi T, Iwasaki N, Sumita YI. Effect of direct retainer types on residual teeth in maxillectomy patients: an in vitro study. The 66th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2019.10.26 Florida (USA)

Yu H, Wang Y, Hattori M, Sumita YI. Maxillofacial Prosthetic rehabilitation on a patient with a congenital palatal incompetence. The 66th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2019.10.26 Florida (USA)

Tani H, Murase M, Sumita YI. Factors affecting the resting metabolic rate (RMR) in patients treated oral cancer. The 66th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2019.10.26 Florida (USA)

Murase M, Tani H, Sumita YI. Nutritional evaluation of the patients using maxillofacial prosthesis for a long term. The 66th Annual Meeting of the American Academy of Maxillofacial Prosthetics 2019.10.26 Florida (USA)

Gao Y, Awuti S, Hattori M, Wang Y, Sumita YI. Volume analysis of the piezographic impression using digital technology. The 10th Scientific Meeting of the Japan Academy of Digital Dentistry, The 5th Annual Meeting of the International Academy for Digital Dental Medicine 2019.10.05 Nara Kasugano International Forum IRAKA (Nara, Japan)

Sumita YI, Hattori M. Education of Maxillofacial prosthetics in TMDU. Lecture in Seoul national university 2019.08.26 Seoul (South Korea)

Hattori M, Sumita YI. Clinical works of Maxillofacial prosthetics in TMDU. Lecture in Seoul national university 2019.08.26 Seoul (South Korea)

Sumita YI, Hattori M, Wiebke SH, Gao Y, Zhang M, Elbashti ME . A four-dimensional scanning approach to obtain surface data of the face. 7th Biennial Congress of the Advanced Digital Technology in Head & Neck Reconstruction 2019.06.20 Tokyo (Japan)

Elbashti ME, Aswehlee A, Kelimu S, Hattori M, Sumita YI. An image is an image until you have three-dimensional glasses: A potential approach for visualization . 2019.06.20 Tokyo (Japan)

Hattori M, Stadler S, Kohal R, Vach K, Elbashti E, Sumita YI. Application of various intraoral scanners for digitizing a nose. 7th Biennial Congress of the Advanced Digital Technology in Head & Neck Reconstruction 2019.06.20 Tokyo (Japan)

Hattori M, Elbashti ME, Sumita YI, Taniguchi H. Dental Treatment of Frontal tooth Injury on a Saxophone Player. Rehabilitation & Music 2019.04.24 Beetsterzwaag (Netherlands)

Sumita YI. Education for Maxillofacial prosthetics in Tokyo Medical and Dental University. ICP workshop 2019.03.05 Tokyo (Japan)

Sumita YI. Immediate surgical obturator in Tokyo Medical and Dental University. ICP workshop 2019.03.05 Tokyo (Japan)

Sumita YI. Radiotherapy prosthesis in Tokyo Medical and Dental University. ICP workshop 2019.03.05 Tokyo (Japan)

Sumita YI. Current Maxillofacial Prosthetics Treatment and Research in TMDU. 11th Biennial Congress of Asian Academy of Prosthodontics and 8Th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Fujita H, Otomaru T, Takahashi H, Iwasaki N., Sumita YI. Effect of Direct Retainer Types of Dent-Maxillary Prosthesis in Maxillectomy Patients: An In Vitro Study. 11th Biennial Congress of Asian Academy of Prosthodontics and 8Th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Kamiyanagi A, Sumita YI. Investigation of Swallowing Ability Using the Eating Assessment Tool 10 (EAT-10) in Maxillectomy Patients. 11th Biennial Congress of Asian Academy of Prosthodontics and 8Th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Tani H, Hattori M, Sumita YI, Zhang M. CRC6: The 28 years observation of a maxillectomy patient: A case report. 11th Biennial Congress of Asian Academy of Prosthodontics and 8th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Zhang M, Hattori M, Sumita YI, Elbashti ME, Kelimu S, Liu R, Gao Y, Taniguchi H. OSC10: Observation of the teeth position in cleft lip and palate patients using three-dimensional assessment. 11th Biennial Congress of Asian Academy of Prosthodontics and 8th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Fujita H, Otomaru T, Takahashi H, Iwasaki N, Sumita YI. OSNC1: Effect of direct retainer types of dent-maxillary prosthesis in maxillectomy patients: An in vitro study. 11th Biennial Congress of Asian Academy of Prosthodontics and 8th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.21 Kuala Lumpur (Malaysia)

Sumita YI. Speech rehab Forum: Talk to.. Talk with me. 11th Biennial Congress of Asian Academy of Prosthodontics and 8th Scientific Conference ＆ AGM of Malaysian Association for Prosthodontics 2018.09.20 Kuala Lumpur (Malaysia)

Awuti S, Elbashti ME, Kelim S, Aswehlee AM, Hattori M, Sumita YI. Digitized evaluation of prosthetic effect on facial appearance and asymmetry of reconstructed segmental mandibulectomy patients. 15th Meeting International Society for Maxillofacial Rehabilitation 2018.07.26 Melbourne (Australia)

Elbashti ME, Sumita Y, Kelimu S, Aswehlee A, Hattori M, Taniguchi H. Application of digital technologies in maxillofacial prosthetic literature: A 10-year observation of prosthodontic journals. 15th Meeting International Society for Maxillofacial Rehabilitation 2018.07.26 Melbourne (Australia)

Kelimu S, Hattori M, Elbashti ME, Awuti S, Sumita YI, Taniguchi H. Alternative powder-free method for palatography using sandpaper. The 65th Annual Meeting of Japanese Association for Dental Research 2017.11.18 Tokyo (Japan)

Hattori M, Patzelt S, Kohal R, Elbashti ME, Sumita YI, Taniguchi H. Performing digital impressions for simulated trismus condition on maxillectomy model. The 65th Annual Meeting of Japanese Association for Dental Research 2017.11.18 Tokyo (Japan)

Sumita YI, Hattori M, Awuti S, Ino S, Kamiyanagi A, Taniguchi H. Maxillofacial prosthetic treatment for a maxillectomy patient with Parkinson's disease. The 65th Annual Meeting of Japanese Association for Dental Research 2017.11.18 Tokyo (Japan)

Fujita H, Sumita YI, Namba T, Yanagi A, Ino S, Taniguchi H. Current status of dementia and wearability of maxillofacial prostheses among patients at maxillofacial prosthetics clinic. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Awuti S, Kelimu S, Yoshi S, Hattori M, Sumita YI, Taniguchi H. Position of the artificial tooth on the morphology of denture space in glossectomy. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Liu R, Sumita YI, Zhang M, Hattori M, Taniguchi H. The long-term follow up maxillectomy patients with o-ring attachment: case report. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Sumita YI, Namba T, Kamarul HK, Kamiyanagi A, Hattori M, Ino S, Taniguchi H. Obturators to facilitate speech and swallowing in a maxillectomy patient with dementia and cerebral infarction. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Zhang M, Sumita YI, Liu R, Li N, Hattori M, Taniguchi H. Mandibulectomy and recurrent carcinoma of the left mandible case. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Hattori M, Patzelt SBM, Kohal RJ, Vach K, Elbashti ME, Sumita YI, Taniguchi H. Use of an intraoral scanner for digitizing an ear model. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Hatano N, Sumita YI, Otomaru T, Yamakoshi N, Taniguchi H. An application of maxillofacial prosthesis in a maxillectomy patient with anterior alveolar bone fracture. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Kelimu S, Hattori M, Awuti S, Elbashti ME, Sumita YI, Taniguchi H. Evaluation of color changes on sandblasted acrylic surfaces for palatogram. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco(USA)

Haraguchi M, Shibata M, Ohyama Y, Norime A, Michi Y, Harada H, Tachikawa N, Sumita YI, Taniguchi H. The prospective study of masticatory function and QOL in segmental mandibulectomy patients. 4th Joint Meeting of the International Society for Maxillofacial Rehabilitation and the American Academy of Maxillofacial Prosthetics 2017.10.28 San Francisco (USA)

Sumita YI, Hattori M. Fabrication and adjustment of immediate surgical obturator. Maxillofacial prosthetics hands-on course 2 2017.07.21 Freiburg, Germany

Elbashti ME, Aswehlee A, Sumita YI, Hattori M, Taniguchi H. The role of portable documentation format in three-dimensional interactive visualization in maxillofacial prosthetics. 6th Triennial Congress of Advancing Digital Technology in Head and Neck Reconstruction 2017.05.31 Amiens (France)

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. Effect of prosthetic rehabilitation on geometrical face asymmetry in mandibulectomy patients. 6th Triennial Congress of Advancing Digital Technology in Head and Neck Reconstruction 2017.05.31 Amiens (France)

Hattori M, Patzelt SBM, Sumita YI, Taniguchi H. Lateral embouchure impression in the dental treatment of a saxophonist. 15.Symposium der Deutschen Gesellschaft für Musikphysiologie und Musikermedizin 2016.10.07 Berlin, Germany

Haraguchi M, Tanaka K, Sumita YI, Okazaki M, Taniguchi H. Prosthetic rehabilitation for a patient with extensive vascular malformation in the head and neck region. The 63rd Annual Meeting of the American Academy of Maxillofacial Prosthetics 2016.10.01 San Diego (USA)

Hatano N, Sumita YI, Otomaru T, Takano T, Taniguchi H. An application of maxillofacial prosthesis in a maxillectomy patient with edentulous maxillae and the flap. The 63rd Annual Meeting of the American Academy of Maxillofacial Prosthetics 2016.10.01 San Diego (USA)

Murase M, Sumita YI, Taniguchi H. A case of mandibular retrognathia with neurofibromatosis type 1 and medication-related osteonecrosis of the jaw. The 63rd Annual Meeting of the American Academy of Maxillofacial Prosthetics 2016.10.01 San Diego (USA)

Nagai H, Haraguchi M, Hattori M, Sumita YI, Taniguchi H. Speech assessment in mandibulectomy patients with stents. The 63rd Annual Meeting of the American Academy of Maxillofacial Prosthetics 2016.10.01 San Diego (USA)

Hattori M, Aggarwal H, Kelimu S, Namba T, Nagai H, Sumita YI, Taniguchi H. Effect of palatal prosthesis on consonant duration of affricate sounds. 40th European Prosthodontic Association and 65th German Society for Prosthetic Dentistry and Biomaterials 2016.09.17 Halle, Germany

Elbashti ME, Hattori M, Patzelt SBM, Schulze D, Aswehlee A, Sumita YI, Taniguchi H. Precision and trueness of computerized optical impressions in maxillectomy defects: An in vitro 3D comparison. 2nd Annual Meeting of the International Academy for Digital Dental Medicine 2016.09.04 Busan, Korea

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. Geometrical evaluation of prosthetic rehabilitation effect on facial appearance of mandibulectomy patients. 2nd Annual Meeting of the International Academy for Digital Dental Medicine 2016.09.04 Busan, Korea

Aswehlee A, ElbashtiME, Hattori M, Sumita YI, Taniguchi H. Feasibility and accuracy of non-contact 3D digitizers in facial defect: An in vitro 3D comparison. 2nd Annual Meeting of the International Academy for Digital Dental Medicine 2016.09.04 Busan, Korea

Hattori M, Elbashti ME, Sumita YI, Taniguchi H. Visualization of voice sound in a patient after headand-neck cancer surgery. 12th International Voice Symposium Salzburg Salzburg 2016.08.28 Austria

Hattori M, Sumita YI, Elbashti ME, Kelimu S, Aswehlee A, Taniguchi H. New powder-free palatogram method using sandblast: In vitro examination. 2016 meeting of the International Association of Dental Research - General Session 2016.06.25 Seoul, Korea

Elbashti ME, Aswehlee AM, Hattori M, Sumita YI, Taniguchi H. The role of digital technologies in maxillofacial prosthetic 3D presentations. 11th Biennial Meeting of the International Society for Maxillofacial Rehabilitation 2016.05.04 Belgrade, Serbia

Elbashti ME, Hattori M, Patzelt SBM, Schulze D, Sumita YI, Taniguchi H. Evaluating the feasibility and accuracy of digitizing edentulous maxillectomy defects: A comparative study. 11th Biennial Meeting of the International Society for Maxillofacial Rehabilitation 2016.05.04 Belgrade, Serbia

Elbashti ME, Said M, Aswehlee AM, Hattori M, Sumita YI, Taniguchi H. Maxillofacial prosthetic literature in prosthodontic journals: A 10-year observation. 11th Biennial Meeting of the International Society for Maxillofacial Rehabilitation 2016.05.04 Belgrade, Serbia

Sumita YI. Current Maxillofacial Prosthetic Treatment and Research in TMDU. 43rd Indian prosthodontic society conference 2015.12.05

Aswehlee A, Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Prosthodontic rehabilitation of a patient with osteomyelitis: a case report. 16th biennial meeting of the international college of prosthodontists 2015.09.17 Seoul, Korea

Elbashti ME, Hattori M, Sumita YI, Taniguchi H. Digital treatment planning in maxillofacial prosthetics: a case report. 16th biennial meeting of the international college of prosthodontists 2015.09.17 Seoul, Korea

Hattori M, Sumita YI, Aswehlee A, Elbashti ME, Taniguchi H. Facial prosthesis made by dental materials on exposed reconstruction plate. 16th biennial meeting of the international college of prosthodontists 2015.09.17 Seoul, Korea

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. The role of digitization in rapid reproduction of obturators. 16th biennial meeting of the international college of prosthodontists 2015.09.17 Seoul, Korea

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. A mono-block brachytherapy prosthesis for the treatment of mandibular lesions: A case report. 27th Biennial Scientific Congress of the Institute of Maxillofacial Prosthetists and Technologists IMPT 2015.09.11 London, UK

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. The role of digital technology in overseas maxillofacial prosthetic collaboration. 27th Biennial Scientific Congress of the Institute of Maxillofacial Prosthetists and Technologists IMPT 2015.09.10 London, UK

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. Comparison of speech characteristics in maxillectomy patients using digital acoustic analysis. 第32 回日本顎顔面補綴学会総会· 学術大会 2015.06.20 東京

Elbashti ME, Aswehlee A, Hattori M, Sumita YI, Taniguchi H. Awareness of surgeons about maxillofacial prosthetic terminology. 第32 回日本顎顔面補綴学会総会・学術大会 2015.06.20 東京

Aimaijiang Y, Otomaru T, Sumita YI, Said MM, Munakata M, Taniguchi H. Prosthodontic rehabilitation of a mandibulectomy patient with an implant-retained overdenture. 2015 Biennial joint congress of JPS-CPS-KAP 2015.04.12 Hotel Hakone Kowakien (Hakone, Japan)

Elbashti ME, Hattori M, Sumita YI, Haraguchi M, Taniguchi H. Prosthetic rehabilitation in children with maxillectomy: A clinical case report. The 61st annual meeting of the American Academy of Maxillofacial Prosthetics (AAMP) 2014.11.01 New Orleans (USA)

Haraguchi M, Sumita YI, Hattori M, Taniguchi H. The relationship between chewing function and QOL in postoperative oral tumor patients. Indonesia & Japan Prosthodontic Society Joint Meeting 2014.10.30 Bali (Indonesia)

Sumita YI, Hattori M, Taniguchi H. One-piece prosthesis using an acrylic base plate for rehabilitation of extensive midfacial defect (A case report). Indonesia & Japan Prosthodontic Society Joint Meeting 2014.10.30 Bali (Indonesia)

Haraguchi M, Yamashiro M, Sumita YI, Mizutani M, Michi Y, Tachikawa N, Kasugai S, Harada H, Harada K, Taniguchi H. Impact factors for chewing function in maxillectomy patients. 38th annual conference of the European prosthodontic association and 21st scientific congress of the Turkish prosthodontic and implantology association 2014.09.26 Istanbul (Turkey)

Sumita YI, Taniguchi H, Hattori M, Elbasthti ME, Yoshi S, Minamisawa N, Otomaru T, Kanazaki A, Yanagi A, Moustafa M, Haraguchi M, Kosaka M. The facial prosthetic treatment at Tokyo Medical and Dental University. The 38th annual conference of the European prosthodontic association and 21st scientific congress of the Turkish prosthodontic and implantology association 2014.09.26 Istanbul (Turkey)

Elbashti.M.E; Hattori. M; Sumita.Y.I; Yoshi.S; Taniguchi.H. . Creating Digitized Database of Maxillofacial Pros theses (Obturators). The 38th Annual Conference of European Prosthodontics Association-EPA. 2014.09.25 Istanbul (Turkey)

Elbashti, M.E. ; Hattori, M. ; Sumita,Y. ; Taniguchi, H.. Acoustic characteristics of vowels in trismus simulated condition. The Xi'an Conference of International Society for Maxillofacial Rehabilitation 2014.09.15 Xi'an (China)

Yoshi S, Sumita YI, Hattori M, Taniguchi H. The characteristics of denture-space of the patients with tongue defects. The 38th annual conference of the European prosthodontic association and 21st scientific congress of the Turkish prosthodontic and implantology association 2014.09.02 Istanbul (Turkey)

Haraguchi M, Yamashiro M, Sumita YI, Tachikawa N, Munakata M, Kasugai S, Harada K, Omura K, Taniguchi H. Assessment of chewing function after surgery in oral tumor patients. 91st IADR/AADR/CADR General Session and Exhibition 2013.03.21 Washington (USA)

Sumita YI, Lovely M, Hattori M, Iwasaki N, Takahashi H，Taniguchi H. Bond strength between silicone elastomer for maxillofacial prosthesis and an acrylic resin. FDI Annual World Dental Congress 2012.08.30 HongKong (China)

Y.I. Sumita, M.Sasaki, H mukohyama, and H. Taniguchi. Anevalustion method of consonants baed on the psychoacoustic analysis, American Speech-Language-Hearing Association Conversation. American Speech-Language-Hearing Association Conversation 2003.11.15 Chicago (USA)

M.Sasaki, Y.I.Sumika, H.Mukohyama, T.Ohyama and H.Taniguchi. A new trial to assess patient’s speech using computerized speech recognition. American Speech-Language-Hearing Association conversation 2003.11.13 Chicago (USA)

Sumita YI, Sasaki M, Mukohyama H, Ohyama T, Taniguchi H. Acoustic analysis based on psychoacoustic parameters in thirty maxillectomy patients. 81st IADR/AADR/CADR General Session and Exhibition 2003.06.27 Gothborg (Sweden)

Yoshioka F, Ozawa S, Sumita YI, Mukohyama H, Taniguchi H. The evaluation of prosthetic rehabilitation in glossectomy patients. 81st IADR/AADR/CADR General Session and Exhibition 2003.06.26 Gothborg (Sweden)

Sumita YI, Sasaki M, Ozawa S, Inoue T, Mukohyama H, Shinozuka O, Ohyama T, Taniguchi H. Acoustic analysis using a sound-level meter. 80th IADR/AADR/CADR General Session and Exhibition 2002.03.07 San Diego (USA)