[P-1] Mechanical analysis of implant-supported removable partial denture using three-dimensional finite element method

*Kentaro Nakamura¹, Hirokazu Kumano¹, Ryo Kanbara¹, Yoshinori Nakamura¹, Ran Fukuzawa¹, Wakako Fujinami¹, Norinaga Kojima¹, Fumi Yoshioka¹, Shogo Ozawa¹, Jun Takebe¹ (1. Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University)

[P-2] Comparison of digital impression and conventional method using impression material on pickup impressions of primary crown for double crown system.

*Hasashi Fujita¹, Akinori Tasaka¹, Takahiro Simizu¹, Juro Wadachi¹, Shuichiro Yamashita¹ (1. Department of Removable Partial Prosthodontics, Tokyo Dental College)

[P-3] Development of 3D printing Shape Memory Hydrogels for Maxillofacial prosthesis

*Hiroaki Kakinuma¹, Shigeto Koyama², Hiroshi Egusa³, Nobuhiro Yoda¹ (1. Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 2. Maxillofacial Prosthetics Clinic, Tohoku University Hospital, 3. Division of Molecular & Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry)

[P-4] Evaluation by fit test using silicone-based fit checking materials.

*Yoshiya Kaminosono¹, Yutaka Shinozaki¹ (1. GC CORPORATION R&D)

[P-5] Disinfection Effect of Ultraviolet Light Irradiation Devices and Their Application to Dentures

*Kae Harada¹, Reiya Horinouchi¹, Mamoru Murakami², Yuji Kamashita¹, Naohiro Shimotahira¹, Yasuhiro Nishi¹, Masahiro Nishimura¹ (1. Department of Oral and Maxillofacial Prosthodontics, Kagoshima University, 2. Department of Removable Prosthodontics and Implant Dentistry, Kagoshima University Hospital)

[P-6] Change in the retentive force of Akers clasp for CAD/CAM hybrid resin crowns by repetitive insertion and removal test

*KEITA TOMONO¹, YUTO KATO¹, WADACHI JURO¹, KATO YOSHIMITSU¹, TASAKA AKINORI¹, YAMASHITA SHUITIRO¹ (1. Department of Removable Partial Prosthodontics, Tokyo Dental College)

[P-7] Behavior analysis of basal seat mucosa under mandibular complete denture with finite element method

*Yuki Taniuchi¹, Kenji Aoki¹, Hiroshi Watanabe², Koichiro Arai³, Natsumi Kobayashi¹, Mineyo Sone¹, Kazuhiko Okamoto¹ (1. Division of Removable Prosthodontics, Department of Restorative and Biomaterials Sciences, Meikai University School of Dentistry, 2. Techspire Co., Ltd., 3. Hexagon D&E Systems Business Unit Technical)

[P-8] Effects of friction coefficients on the behavior analysis of basal seat mucosa under maxillary complete denture with finite element method

*Kenji Aoki¹, Yuki Taniuchi¹, Daikei Matsumoto¹, Shigenori Uchida¹, Mie Numazawa¹, Fumiko Narumi¹, Kazuhiko Okamoto¹ (1. Division of Removable Prosthodontics, Department of Restorative and Biomaterials Sciences, Meikai University School of Dentistry)

[P-9] Effect of chemical cleaning on the surface roughness of the magnetic assembly used in the novel thin magnetic attachment

*Takeshi Saito¹, Masahiro Ryu¹, Tetsuo Ichikawa², Takayuki Ueda¹ (1. Removable Prosthodontics & Gerodontology, Tokyo Dental College, 2. Department of Prosthodontics and Oral Rehabilitation, Tokushima University Graduate School of Oral Sciences)

[P-10] The effect of different injection pressures for agar cleaning on denture surfaces after removal of contaminants

*Tatsushi Naito¹, Akiko Miyake², Satoshi Komasa¹, Yuichiro Tashiro¹, Hideaki Sato³, Takuya Mino¹, Kenji Maekawa¹ (1. Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 2. Department of Oral Health Engineering Faculty of health Sciences, Osaka Dental University, 3. Department of Mechanical Engineering, Faculty of Science and Engineering, Tokyo City University)

[P-11] Evaluation of a new denture cleaning method using agar particles for cleaning difficult to remove fat-soluble substances

*Akiko Miyake¹, Satoshi Komasa², Hideaki Sato³, Yuichiro Tashiro², Tatsushi Naito², Kenji Maekawa² (1. Department of Oral Health Engineering Faculty of health Sciences, Osaka Dental University, 2. Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 3. Department of Mechanical Engineering, Faculty of Science and Engineering, Tokyo City University)

[P-12] ^{Study of denture-cleaning methods on resilient denture liners by randomized controlled clinical trial.}

*Rihoko Takeuchi¹, Sin Miyamae¹, Nana Sonobe¹, Ayaka Hattori¹, Yu Morinaga¹, Suguru Kimoto¹ (1. Department of gerodontology and home care dentistry,Aichi Gakuin University School of Dentistry )

[P-13] Examination of Microbial Removal Efficacy by Cleansing Water Temperature of Denture Cleanser

*Seiya Tozawa¹, Yasuhiro Nishi¹, Yusuke Yamashita¹, Kae Harada¹, Nao Ikeda¹, Fumio Suehiro², Mamoru Murakami², Masahiro Nishimura¹ (1. Department of Oral and Maxillofacial Prosthodontics, Graduate School of Medical and Dental Sciences, Kagoshima University, 2. Department of Removable Prosthodontics and Implant Dentistry, Advanced Dentistry Center, Kagoshima University Hospital)

[P-14] Study on pH of Commercially Available Oral Moisturizers

*Mamoru Murakami¹, Sara Komabashiri², Sota Ono³, Kae Harada⁴, Yasuhiro Nishi⁴, Masahiro Nishimura⁴ (1. Removable Prosthodontics and Implant Dentistry, Kagoshima University Hospital, 2. Section of Dental Hygiene, Division of Clinical Technology, KagoshimaUniversity Hospita, 3. Kyushu branch, 4. Department of Oral and Maxillofacial Prosthodontics, Kagoshima University Graduate Schoo)

[P-15] Clinical Study on the effectiveness of tissue conditioner containing cetylpyridinium chloride montmorillonite

*Toshifumi Nogawa^1,2, Asuka Kodama¹, Rumi Horiuchi¹, Atsuro Yokoyama¹ (1. Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Faculty of Dental Medicine, Hokkaido University, 2. Tohoku-Hokkaido Branch)

[P-16] Examination of front and side view of the distance between subnasal and gnathion in older adults using noncontact three-dimensional measurement device

*Yuko Watarai^1,2, Naoki Asanuma¹, Tatsuhiro Suzuki², Momoka Kawana², Kotono Nagata², Fumi Mizuhashi^1,2 (1. Department of Removable Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata, 2. Functional Occlusal Treatment, The Nippon Dental University Graduate School of Life Dentistry at Niigata)

[P-17] Effect of differences in residual ridge resorption on interocclusal recording using an intraoral scanner

*Kotono Nagata¹, Naoki Asanuma², Yuko Watarai², Tatuhiro Suzuki¹, Momoka Kawana¹, Fumi Mizuhasi^1,2 (1. Functional Occlusal Treatment, The Nippon Dental University Graduate School of Life Dentistry at Niigata, 2. Department of Removable Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata)

[P-18] Study on accuracy of intraoral scanner on maxillary edentulous jaw

*Momoka Kawana¹, Naoki Asanuma², Yuko Wateree², Tatuhiro Suzuki¹, Kotono Nagata¹, Humi Mizuhashi^1,2 (1. Functional Occlusal Treatment, The Nippon Dental University Graduate School of Life Dentistry at Niigata., 2. Department of Removable Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata)

[P-19] Resilient denture liners affect food hardness

*Yuki Uchiyama¹, Atsushi Araki¹, Daisuke Yamaguchi¹, Kazuo Takeuchi¹, Hiroshi Usami¹, Suguru Kimoto¹ (1. Aichi Gakuin University Department of Gerodontology and Home Care Dentistry School of Dentistry)

[P-20] Fabrication of complete denture utilized central bearing tracing device

*shohei nishida², Kazutaka Tabata², Kentaroh Nakamura¹, Morimasa Yamamoto¹ (1. Tokai Branch, 2. Kansai branch)

[P-21] Possibility of 3D printed denture manufacturing method using impression method using CBCT

*Katsushi Tamaki¹, Bashar Al-Qassab ², Auday Al-Taai ³ (1. kanagawa Dental University, 2. Al Ain Specialized Medical Center, 3. Almalak Aesthetic Center)

[P-22] Effect of metal reinforcement on the flexural properties of repaired 3D-printed denture

*Ayaka Ito¹, Tomohiro Kawaguchi¹, Ami Tanaka¹, Hakuhei Morita¹, Takashi Tsuzuki¹ (1. Division of Removable Prosthodontics, Department of Oral Rehabilitation, Fukuoka Dental College)

[P-23] Prediction of kind of retainer in designing removable partial denture

*Tomoya Gonda¹, Toshihito Takahashi¹, Tomoaki Mameno¹, Kazunori Nozaki², Ikebe Kazunori¹ (1. Department of Removable Prosthodontics and Gerodontology, Osaka University Graduate School of Dentistry, 2. Division of Medical Informatics, Osaka University Dental Hospital)

[P-24] Evaluation of hypermobile teeth deviation during impression-taking in the partially edentulous dentition: comparison between digital and conventional impression techniques

*Hitomi Matsuno¹, Junichiro Wada¹, Natsuko Murakami¹, Kensuke Takakusaki¹, Tomiharu Nagayama¹, Shinsuke Koyama¹, Yuki Mouri¹, Bin Li¹, Kazuki Sakamoto¹, Eung-Yeol Kim¹, Yurika Ishioka¹, Miona Utsumi¹, Noriyuki Wakabayashi¹ (1. Advanced Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University)

[P-25] Fatigue strength of cobalt-chromium alloys fabricated by additive manufacturing

*Nanami Asai¹, Akinori Tasaka¹, Kosei Ito¹, Haruna Okano¹, Shinji Takemoto², Shuichiro Yamashita¹ (1. Department of Removable Partial Prosthodontics, Tokyo Dental College, 2. Department of Biomedical Engineering, Iwate Medical University)

[P-26] Effect of time degradation on surface characteristics of light-polymerized denture liners.

*Asuka Hirata¹, Kensuke Takakusaki¹, Kosuke Nozaki¹, Natsuko Murakami¹, Junichiro Wada¹, Miyuki Tanimoto¹, Noriyuki Wakabayashi¹ (1. Advanced Prothodontics, Graduate School, Tokyo Medical and Dental University (TMDU))

[P-27] Influence of residual ridge form and scan path for digitizing complete dentures using an intra oral scanner

*TAKASHI MATSUDA¹, TAKAHARU GOTO¹, TAKAHIRO KISHIMOTO², KAN NAGAO¹, TETSUO ICHIKAWA¹, MASAYO OKAJIMA³ (1. Department of Prosthodontics and Oral Rehabilitation, Tokushima University Graduate School of Oral Sciences, 2. Department of Comprehensive Dentistry, Tokushima University Graduate School of Oral Sciences, 3. Chugoku-Shikoku Branch)

[P-28] Relationship between composition of cream-type denture adhesives, and viscosity, and adhesion strength

*Junko Sato¹, Hitomi Okazaki¹, Hiroshi Murata¹ (1. Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University)

[P-29] Effect of different surface treatments and adhesion methods on the bond strength of FDM printed PEEK and autopolymerizing resin

*Chun Wei Chang¹, Tamaki Hada², Roubing Ha³, Yumika Soeda¹, Motohiro Uo³, Manabu Kanazawa², Shunsuke Minakuchi¹ (1. Tokyo Medical and Dental University Gerodontology and Oral Rehabilitation, 2. Tokyo Medical and Dental University Digital Dentistry, 3. Tokyo Medical and Dental University Advanced Biomaterials)

[P-30] Effect of different build angles on the accuracy (trueness and precision) in 3D-printed complete dentures using DLP and LCD 3D printed technology.

*Yuko Mizukawa¹, Akiyo Kawamoto¹, Tamaki Hada², Maiko Iwaki², Manabu Kanazawa², Kazuya Takahashi¹ (1. Geriatric Dentistry, Osaka Dental University, 2. Digital Dentistry, Graduate school of Medical and Dental Science, Tokyo Medical and Dental University)

[P-31] Development of a new cleaning method for soft relining material for removable denture using agar particles

*Nichika Harakawa¹, Hideaki Sato¹, Akiko Miyake², Kohei Takaki¹, Yuichiro Tashiro², Satoshi Komasa² (1. Tokyo City University, 2. Osaka Dental University)

[P-32] An Explainable Artificial Intelligence for Designing Removable Partial Denture Framework

*YAJIE LI¹, Yuka Inamochi¹, Tatsuhiko Anzai², Kazuki Sakamoto³, Eung-Yeol Kim³, Hirokazu Sato³, Taku Nemoto¹, Noriyuki Wakabayashi³, Kunihiko Takahashi², Kenji Fueki¹ (1. Department of Masticatory Function and Health Science, Tokyo Medical and Dental University, 2. Department of Biostatistics, M&D Data Science Center, Tokyo Medical and Dental University, 3. Department of Advanced Prosthodontics, Tokyo Medical and Dental University)

[P-33] Evaluating the Accuracy of Intaglio Surface in Immediately Fabricated Removable Dentures: A Preliminary Digital and Laboratory Study

*Arwa Hammam Melhem¹, Ahmad Sameer M. Ali¹, Mariko Hattori¹, Noriyuki Wakabayashi¹ (1. Advanced Prosthodontics Department, Tokyo Medical and Dental University)

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Removable Prosthodontics