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1997 Fiscal Year Final Research Report Summary

The development of the optimum occlusal morphology occlusal facets in harmony with jaw movement and the clinical application

Research Project

Project/Area Number 07457472
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 補綴理工系歯学
Research InstitutionThe University of Tokushima

Principal Investigator

NAKANO Masanori  The University of Tokushima, School of Dntistry, Associate Professor, 歯学部, 助教授 (30136262)

Co-Investigator(Kenkyū-buntansha) MATSUURA Hirooki  The University of Tokushima, University Dental Hospital, Research Associate, 歯学部・附属病院, 助手 (10271082)
KORI Yukiko  The University of Tokushima, University Dental Hospital, Assistant Professor, 歯学部・附属病院, 講師 (70243722)
KORI Motoharu  The University of Tokushima, School of Dentistry, Research Associate, 歯学部, 助手 (50253216)
SUZUKI Atsushi  The University of Tokushima, School of Dentistry, Research Associate, 歯学部, 助手 (80196790)
Project Period (FY) 1995 – 1997
KeywordsOcclusal reference surface / Occlusal facet / Jaw movement / M and D value / M and D type guidance
Research Abstract

The purpose of this study was to determine the optimum morphology of occlusal facets from the view point of harmony with jaw movements. Results were as follows.
1. Occlusal reference surfaces, proposed by Mima, were applicable not only single path but also multiple pathes of jaw movements.
2. Four types of occlusal reference surfaces were defined by using the trajectories of lateral, retrusive and protrusive sliding movements. The harmonious occlusal facets with these occlusal reference surfaces produced no considerable interference with jaw movement during the forth and fifth phases of the chewing cycle.
3. We proposed to evaluate occlusal facets quantitatively by using inclination angle and M (D) value corresponding with azimuth angle. This evaluating method was significant in comparison of occlusal reference surfaces to occlusal facets of subjects.
4. Lateral excurisions were measured by using a jaw tracking device (MM-JI) with experimental M type and D type lateral tooth guidances on canine teeth. D type lateral tooth guidance led more posterior path way of working condylar point than M type lateral tooth guidance. This suggested that D type guidance may cause overload in temporomandibular joint.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 佐藤 裕: "側方運動のガイドの変化が顎運動に及ぼす影響" 日本補綴歯科学会雑誌. 39 94回特別号. 47-47 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山内 英嗣: "コンピュータシミュレーションによる顎運動と咬合面形態に関する研究" 日本補綴歯科学会雑誌. 40. 390-399 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 鈴木 温: "咀嚼の第4相における6自由度顎運動" 日本補綴歯科学会雑誌. 41 97回特別号. 37-37 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 安陪 晋: "咬合小面と咬合参照面との比較" 日本補綴歯科学会雑誌. 41 98回特別号. 142-142 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山内 英嗣: "顎運動の調和という観点からみた大臼歯咬合面形態の検討" 日本顎口腔機能学会雑誌. 4. 77-84 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 佐藤 裕: "側方滑走運動のガイド面の方向が顎運動に及ぼす影響" 日本補綴歯科学会雑誌. 42(印刷中). (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 中野 雅徳(分担執筆:口腔と全身の健康についての研究事業運営協議会監修): "口腔保健と全身的な健康(顎機能障害と咬合異常)" 財団法人 口腔保健協会, 182 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Sato, Y.: "The influence of lateral tooth guidance on jaw movement" J Jpn Prosthodont Soc. 39 (94th Special Issue). 47 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamauchi, E.: "Computer simulation on the occlusal facet in relation to jaw movement" J Jpn Prosthodont Soc. 40 (2). 390-399 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Suzuki, A.: "The analysis of chewing movement in six degree-of-freedom" J Jpn Prosthodont Soc. 41 (97th Special Issue). 37 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Abe, S.: "Comparison of occlusal facet and occlusal reference surface" J Jpn Prosthodont Soc. 41 (98th Special Issue). 142 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamauchi, E.: "The study on the occlusal facets of molars from the standpoint of harmony with jaw movements" J Jpn Soc Stomatognath Funct. 4. 77-84 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sato, Y.: "Effects of the direction of lateral tooth guidance on jaw movement" J Jpn Prosthodont Soc. 42 (in press).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nakano, M.: Oral health and total health (The significance of occlusal factor for Temporomandibular disorders). Oral health association, 1-182 (1997)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-16  

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