First Regular Meeting in the year 2002 of the Niigata Dental Society

July 13, 2002

All the sessions will be held at No.3 Lecture Room (5F) in Faculty of Dentistry, Niigata University

Session 9:00-14:30
Keynote Lecuture 14:40-16:10


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Chairpersons: A. Okamoto and A. Hashimoto

1. 9:00 Study on color masking effect of porcelain laminate veneers for severely discolored teeth
*Naoto Okada, Kiyoshi Watanabe, Sigeru Tobita,Masayoshi Fukushima+, Masaaki Iwaku+
School for Dental Technicians Niigata University Faculty of Dentistry Division of Cariology, Department of Oral Health Science+, Course for Oral life Science, Niigata University Graduate School of Medical and Dental Sciences

2. 9:10 Effect of Tooth Preparation on Marginal Leakage and Adaptation of Ceramic Crowns fabricated with Dental CAD/CAM“Cerec2”
*Ryunosuke Kazama, Masayoshi Fukushima and Masaaki Iwaku
Division of Cariology, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan

3. 9:20 Improved Compansating Curve for posterior tooth arrangement of Complete Denture
*Kiyoshi Watanabe, Shigeru Tobita, Naoto Okada and Shuichi Nomura+
School for Dental Technicians Niigata University Faculty of Dentistry +Division of Oral Health in Aging and Fixed Prosthodontics, Dept. of Oral Health Science, Curse forOral life Science, Niigata University Graduate School of Medical and Dental Sciences

4. 9:30 Study on Clasp Shapes and Retentive Force of Akers Clasp in Ag-Pd-Cu-Au Alloys
*Shigeru Tobita, Kiyoshi Watanabe, Naoto Okada, Shoji Kohno
School for Dental Technicians Faculty of Dentistry Niigata University Removable Prosthodontics Department of Tissue Regeneration and Reconstruction Course for Oral Life Science+,Niigata University Graduate School of Medical and Dental Sciences

5. 9:40 Evaluation of the retention force of thin Co-Cr wrought wires (less than 0.7o diameter) ―Application in RPD for missing upper incisor tooth―
*Kikuo Kumakura1, Mitsugu Kanatani2, Akiko Nomura3,Syuji Nakano2, Shuichi Nomura1,4, Osamu Miyakawa2,Shoji Kohno3
Dental Technician section of Niigata University Dental Hospital1 Division of Dental Biomaterial Science2, Removable Prosthodontics3, Oral Health in Aging and Fixed Prosthodontics4,
Niigata University Graduate School of Medical and Dental Sciences


Chairpersons: A. Yoshihara and K. Yamazaki

6. 9:50 Efficacy of a New Oral Mucosa Brush Care for Dependent Elderly
Noriko Takei*,**, Takashi Fukuda*, Kazuko Nakajou*,Souji Takenaka*, Masayoshi Fukushima*, Masaaki Iwaku**Division of Cariology, Department of Oral Health Science, Courese for Oral Life Science,
Niigata University Graduate School of Medical and Dental Sciences, **The LION Foundation for Dental Health

7. 10:00 Practical study on the educational activity for oral hygiene on elementary and junior high school 
*Tsuneyuki KURATATE, Masaaki IWAKU
Division of Cariology, Department of Oral Health Science, Oral Life Science Course Niigata University Graduate School of Medical and Dental Sciences

8. 10:10 Seven single nucleotide substitutions in human Fcγreceptor IIB gene
*Keiko YASUDA1, Noriko SUGITA1,Kouji YAMAMOTO1, Tetsuo KOBAYASHI1, 2 and Hiromasa YOSHIE1
Division of Periodontology, Department of Oral BiologicalScience, Niigata University Graduate School of Medical and Dental Sciences1

Niigata University Dental Hospital General Dentistry and Clinical Education Unit2

9. 10:20 Genetic Polymorphisms of FcγRIIB in Japanese Patientswith Periodontitis
*Keiko YASUDA1,Noriko SUGITA1,Kouji YAMAMOTO1, Tetsuo KOBAYASHI1,2 and Hiromasa YOSHIE1
Division of Periodontology,Department of Oral Biological Science, and Niigata University Graduate School of Medical and Dental Sciences1
Niigata University Dental Hospital General Dentistry and Clinical Education Unit2


Chairpersons: S. Morita and F. Kobayashi

10. 10:30 Relationship between morphological changes of the condyle and condylar displacement
*Akemi Tsuruta, Kazuhiro Yamada, Kooji Hanada,
Jun-ichi Koyama*, Takafumi Hayashi*, Akiko Hosogai** and Shoji Kohno**
Division of Orthodontics, Division of Oral Maxillofacial Radiology*, Division of Removable Prosthodontics**,
Niigata University Graduate School of Medical and Dental Sciences

11. 10:40 ABSENCE OF BDNF RETARDS THE DEVELOPMENT OF PERIODONTAL RUFFINI ENDINGS IN THE MOUSE INCISOR
*Natalia HOSHINO1, 2, Bashar ALKHAMRAH1, 2,
Fumiko HARADA1, 2, Yoshiro KAWANO2, Kooji HANADA1 and Takeyasu MAEDA2
Niigata University Graduate School of Medical and Dental Sciences, Department of Oral Biological Science, Division of Orthodontics1 and Oral Anatomy2

12. 10:50 A trial of the pain lessen at intra-oral radiography as radiographic technique
*Yoshiichi Takeuchi, Takafumi Hayashi*, Jusuke Ito*,Shuhzou Taira*, Masaki Takeyama**
Department of Oral Radiography, Niigata University Dental Hospital, Niigata, Japan
Division of Oral and Maxillofacial Radiology, Niigata University Graduate School of Medical and Dental Sciences, Course for Oral Life Science*
Division of Orthodontics, Niigate University Graduate School of Medical and Dental Science, Course for Oral Life Science**

13. 11:00 An experimental study for sentinel lymph nodes of the tongue in normal volunteers
*Hitoshi Nakayama, Kennichi Obinata
Department of Oral Pathobiological Science, Hokkaido University Graduate School of Dental Medicine


Chairpersons: H. Kobayashi and A. Toyosato

14. 11:10 Occlusal supports improve on the continious motion function
*Masaru Ishioka and Shoji Kohno
Division of Removable Prosthodontics, Course for Oral Life Science Graduate School of Medical and Dental Sciences, Niigata University

15. 11:20 Removable telescopic prosthesis for a patient with cerebral palsy ―A case report―
*Yasuko Ozaki Shuichi Nomura
Division of Oral Health in Aging and Fixed Prosthodontics, Dept of Oral Health Course for Oral Life Science,
Niigata University Graduate School of Medical and Dental Science

16. 11:30 Recovery of the occlusion may improve upon ADL and QOL
*Eigo Andoh, Shoji Kohno, Koji Sawada,Tomonobu Sekimoto and Minoru Yagi1
Removable Prosthodontics Department of Tissue
Regeneration and Reconstroction. Preventive Dentistry Department of Oral Health Seience1

17. 11:40 The present state of collaboration between our clinic and medical hospitals
*Toshiko Sugai, Asako Tamaki, Masumi Asatsuma,
Yuko Komori, Kaori Sugita, Naoko Kato,Takahiro Tazawa, Akira Toyosato, Koichiro Ueda and Shuichi Nomura+
Division of Dysphagia Rehabilitation, Dept of Oral Biological Science and Division of Oral Health in Aging and FixedProsthodontics+, Dept of Oral Health Science, Course for Oral Life Science,
Niigata University Graduate School of Medical and Sciences

Chairpersons: K. Yamamura and N. Amizuka

18. 13:00 Coordination between the masticatory and tongue muscles as seen with different foods in consistency and in reflex activities during natural chewing
*Yohsuke Kakizaki1,2,Kenji Uchida3,Kensuke Yamamura1 and Yoshiaki Yamada1
Division of Oral Physiology1, Niigata University GraduateSchool of Medical and Dental Sciences, and Departments of Orthodontics2 and Endodontics3,
Nagasaki University School of Dentistry

19. 13:10 The Activity of Facial Muscles during Chewing in AwakeRabbit
*Sachiko Ootaki, Kensuke Yamamura,Jayantha Amarasena and Yoshiaki Yamada
Niigata University Graduate School of Medical and Dental Sience
Division of oral physiology Depertmet of Oral biological Sience

20. 13:20 Effect of cortical masticatory area (CMA) stimulation on swallowing in anaesthetized rabbits
*Jayantha Amarasena, Sachiko Ootaki,Kensuke Yamamura, Hidetoshi Hirano and Yoshiaki Yamada
Division of Oral Physiology, Department of Oral Biological Science

21. 13:30 Histological examination on bone tissue response of self-setting bone substitute (BIOPEX)
*Hirotsugu Hao1, 2, Norio Amizuka2, Shuichi Nomura1, Takeyasu Maeda2
Division of Oral health in Aging and Fixed Prosthodontics1Division of Oral Anatomy2 Niigata University Graduate School of Medical and Dental Sciences


Chairpersons: T. Kobayashi and K. Ono

22. 13:40 Studies on the accuracy on measurement of facial surface using the three dimensional facial measurement with optical surface scanner and the three dimensional facial soft tissue charge after bimaxillary orthognathic surgery
*Hiroyuki Kanoh, Tadaharu Kobayashi, Katsuhiko Honma, Chikara Saitoh, Kazuto Terada*
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regereration and Reconstruction, Course for Oral Life Science
Division of Polyclinic Iutensive Oral Care Unit, Niigata University Dental Hospital*

23. 13:50 Fifteen-years observation of basal cell nevus syndrome:A case report
*Rie SUZUKI, Toshio YOKOBAYASHI,Takeshi SHIMIZU, Hideki GOTOH, Shinya CHIKAZOE, Yuri YAMAGUCHI
The Department of Oral and Maxillofacial Surgery, Nagano Red Cross Hospital

24. 14:00 Speech Results of the Furlow palatoplasty for Cleft Patate Children
*Emiko Terao, Kazuhiro Ono, Masaki Nagata, Akihiko Iida, Makoto Hayatsu, Ritsuo Takagi
Division of Oral and Maxillofacial Surgery Niigata University Graduate School of Medical and Dental Science

25. 14:10 Prognostic lmplications of Perineural Invasion in Squamous Cell Carcinomas of Oral Cavity and Oropharynx
*Bibi Rahima, Susumu Shingaki, Yukiko Ono,Tsutomu Nomura, Chikara Saito
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate school of Medical and Dental sciences


Keynote Lecture14:40 ― 16:10


Title: 「Does the improvement of the form improve the function?」

Lecturer:Prof. Chikara Saito
Dept. of Tissue Regeneration and Reconstruction,Division of Reconstructive Surgery