The 2nd Regular Meeting of Niigata Dental Society

Date November 8, 2025 AM 9:00 - PM 1:50

Venue Auditorium (2F) in Faculty of Dentistry, Niigata University

Session---09:00-09:50

Break-------09:50-10:05

Session---10:05-10:55

Break-------10:55-11:10

Session---11:10-11:50

Break-------11:50-13:00

The inaugural lecture---13:00-13:50

Chairpersons : Junpei Ohkawa, Hikaru Tamura

1.9:00

Development of a New Educational Tool for Evaluating Mirror Technique Skills and a Pilot Study

�›Rei Nagasawa1, Takumi Sato2,3 and Noritaka Fujii1,2

1 Division of Dental Clinical Education, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 General Dentistry and Clinical Education Unit, Niigata University Medical and Dental Hospital

3 Division of Periodontology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2.9:10

Identification and functional analysis of signaling pathways activated by extracellular matrix?periodontal ligament cell interactions

�›Mizuki Kobayashi, Azusa Dobashi, Hlaing Pwint Phyu, Yoshiki Ono and Masaru Kaku

Division of Bio-Prosthodontics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

3.9:20

Estimation of decreased maximum occlusal force from particles of gummy jelly used for masticatory performance test

�›Aye Mya Mya Khaing, Kazuhiro Murakami, Hinako Takano and Kazuhiro Hori

Division of Comprehensive Prosthodontics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

4.9:30

Analysis of Appropriate Use of Antibiotics for Periodontal Surgery

�›Honoka Takikawa, Keisuke Sato and Koichi Tabeta

Division of Periodontology, Faculty of Dentistry & Graduate School of Medical and Dental Science, Niigata University

5.9:40

�›Rintaro Tanaka1,2, Yuka Aizawa3, Witsanu Yortchan1, Miyabi Kobayashi1,4, Mutiara Annisa1, Putri Pramita Larasati1, Meircurius Surboyo5, Tomoki Maekawa5, Yoshiaki Arai2 and Kenji Izumi1

�›Myo Maung Maung1, Ryoko Takeuchi1, Haga Kenta1, Daisuke Saito1,

1 Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 Oral Implant and Temporomandibular Joint Clinic, Niigata University Medical and Dental Hospital,

3 Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences,Niigata University

4 Division of Reconstructive Surgery for Oral and Maxillofacial Region, Faculty of Dentistry & Graduate School of Medical and Dental Sciences,Niigata University

5 Center for Advanced Oral Science, Faculty of Dentistry & Graduate School of Medical and Dental Sciences,Niigata University


Break-------9:50-10:05

Chairpersons : Angela Quispe-Salcedo, Ryoko Takeuchi


6.10:05

Host Factor Analysis Toward Personalized EGFR-Targeted PCE Therapy in Oral Squamous Cell Carcinoma: New Insights and Future Strategies on the Role of Tumor-Associated Platelets

�›Yu Sonobe1,2, Yuka Aizawa1, Luqing Zhang1, Hideaki Hirai1, Yutaka Nikkuni3, Manabu Yamazaki4, Kaname Nouno5, Takafumi Hayashi3, Junichi Tanuma4 and Kei Tomihara1

1 Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 Nagaoka Red Cross Hospital, Oral Surgery

3 Division of Oral and Maxillofacial Radiology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

4 Division of Oral Pathology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

5 Department of Oral Science for Health Promotion, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

7.10:15

Exploring the Human Microbiome in Oral Cancer: Identification of Bacterial Genomes in FFPE Tongue Carcinoma Tissues

�›Akihiro Oishi1, Soumi Kanai1, Tatsuya Abe2, Tetsuro Kiguchi1, Hideaki Hirai1, Manabu Yamazaki2, Jun-ichi Tanuma2, Shujiro Okuda3 and Kei Tomihara1

1 Division of , Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 Division of , Oral Pathology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

3 Division of , Medical AI Center / Bioinformatics Laboratory, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

8.10:25

Integrating machine learning with multi-omics analysis to reveal the prognostic value of perineural invasion in head and neck squamous cell carcinoma

�›Luqing Zhang1, Yu Sonobe1, Hideaki Hirai1, Manabu Yamazaki2, Jun-ichi Tanuma2 and Kei Tomihara1

1 Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 Division of Oral Pathology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

9.10:35

Efficacy of Molecular-Targeted Therapies as Salvage Treatment in Recurrent or Metastatic Salivary Duct Carcinoma- A Systematic Review

�›Anisha Shrestha

Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

10.10:45

Siglec9 as a novel predictive biomarker for immunotherapy in head and neck squamous cell carcinoma

�›Yihan Guo and Kei Tomihara

Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University


Break-------10:55-11:10

Chairpersons : Ken Nakamura, Futoshi Nakamura


11.11:10

Association Between Tongue Pressure and Physical Independence in Community-Dwelling Super-Aged Individuals: A Longitudinal Study

�›Kazuhiro Nagashima1, Norimasa Taka1, Kaname Nohno2 and Hiroshi Ogawa1

1 Division of Preventive dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

2 Department of Oral Health and Welfare, Faculty of Dentistry & Graduate School of Medical and Dental Science, Niigata University

12.11:20

The relationship between the number of remaining teeth and nutritional intake status in older adults - Analysis following BMI-based classification of physique-

�›Mai Okabe

Department of Oral Health and Welfare, Faculty of Dentistry & Graduate School of Medical and Dental Sciences,Niigata University

13.11:30

Dental Health Status and Factors Associated with Regular Dental Visits among Workers with Mild Intellectual Disabilities

�›Nanako Taguchi

Department of Oral Health and Welfare, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University

14.11:40

The immediate effects of oral function training for physical function among users of day-care service facilities

�›Hiromi Misumi

Department of Oral Health and Welfare, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University


Break-------11:50-13:00


Chairperson : Makoto Inoue

Title: The Present Landscape of Orthodontics -Evolving Aspects and Enduring Principles-

Lecturer: Jun Nihara
Division of Orthodontics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University


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