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Photoelastic Stress Analysis of Dental Prosthesis under a Load with the Aid of Personal Computer

Research Project

Project/Area Number 04452301
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 補綴理工系歯学
Research InstitutionKagoshima University

Principal Investigator

JIMI Tadashi  Kagoshima University, Faculty of Dentistry, Professor, 歯学部, 教授 (00037508)

Co-Investigator(Kenkyū-buntansha) NAKASHIMA Atsuo  Kagoshima University, Faculty of Dentistry, Research Assosiate, 歯学部, 助手 (10244253)
MINAMI Hiroyuki  Kagoshima University, Faculty of Dentistry, Research Assosiate, 歯学部, 助手 (50244257)
MINESAKI Yoshito  Kagoshima University, University Hospital, Faculty of Dentistry, Assistant Profe, 歯学部附属病院, 講師 (70157577)
SHINOHARA Naoyuki  Kagoshima University, University Hospital, Faculty of Dentistry, Assistant Profe, 歯学部附属病院, 講師 (40136891)
ONIZUKA Tadashi  Kagoshima University, Faculty of Dentistry Associate Professor, 歯学部, 助教授 (80038877)
Project Period (FY) 1992 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1993: ¥1,200,000 (Direct Cost: ¥1,200,000)
KeywordsAbutment Material / Epoxy Resin / Stress Analysis / Personal Computer / Unilateral Distal-extension Removable Partial Denture / Abutment / Alveolar Bone / Full Bake / 弾性率の比の再現 / 光弾性実験模型の作製法 / コンピューターによる三次元応力解析 / ジャケットクラウンの支台歯形態 / グラスコーピングの形態 / 支台歯材料の内部応力の解析
Research Abstract

(1)Effect of Abutment Materials on Stress Distribution of Ceramics Jacket Crown
1)On the assumption that the castable glass ceramics jacket crown and three different abutment materials(a metal core, a resin core and a natural tooth), the crown and the abutment tooth models were made of epoxy resin.
2)The stress analysis of the ceramics jacket crown was studied, and the boundary stress distributions were reconstructed three-dimensionally, using personal computer.
3)When the abutment was a resin core or a natural tooth, high boundary stress was observed around the labial cervix, in comparison with a metal core.
4)A natural tooth showed a tendency to bend labially owing to the pulp cavity, in comparison with a resin core.
(2)Effect of the Direct Retainers of Unilateral Distal-extension Removable Prtial Denture on the Abutments and the Alveolar Bone under a Load
1)It was possible to make epoxy resin models of abutment teeth and alveolar bone, according to our established methods.
2)R.P.I., Akers and Double Akers were used as direct retainers, and stress distribution was investigated under a load.
3)In the case of R.P.I., a load was transmitted vertically to the abutment and the alveolar bone.
4)When Akers was applied, it forced the second premolar to lean distally.
5)When Double Akers was applied, it forced the premolar to lean distally, but the value of internal stress around the each premolar root apex was least.
(3)It was possible to make epoxy resin models of the full baked Castable glass ceramics-Porcelain jacket crowns, we keep on our studies.

Report

(3 results)
  • 1993 Annual Research Report   Final Research Report Summary
  • 1992 Annual Research Report
  • Research Products

    (9 results)

All Other

All Publications (9 results)

  • [Publications] 中島 厚生,南 弘之,鬼塚 雅,自見 忠: "支台材料がCeramics Jacket Crownの応力分布に及ぼす影響-三次元光弾性実験による応力解析-" 日本補綴歯科学会雑誌. 38. 67-81 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 野村 賢介: "片側性遊離端義歯の直接維持装置が荷重時に鉤歯および歯槽骨に与える影響-三次元光弾性実験による応力解析-" 日本補綴歯科学会雑誌. 37. 1212-1222 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Atsuo Nakashima, Hiroyuki Minami, Tadashi Onizuka, Tadashi Jimi: "Effect of Abutment Materials on Stress Distribution of Ceramics Jacket Crown -Three Dimensional Photoelastic Stress Analysis-" J Jpn Prosthodont Soc. 38. 67-81 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Kensuke Nomura: "Effect of the Direct Retainers of Unilateral Distal-extension Removable Partial Denture on the Abutments and the Alveolar Bone under a Load -Three Dimensional Photoelastic Stress Analysis-" J Jpn Prosthodont Soc. 37. 1212-1222 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 中島 厚生,南 弘之,鬼塚 雅,自見 忠: "支台材料がCeramics Jacket Crownの応力分布に及ぼす影響-三次元光弾性実験による応力解析-" 日本補綴歯科学会雑誌. 38. 67-81 (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 野村 賢介: "片側性遊離端義歯の直接維持装置が荷重時に鉤歯および歯槽骨に与える影響-三次元光弾性実験による応力解析-" 日本補綴歯科学会雑誌. 37. 1212-1222 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 南 弘之: "Castable Glass Ceramics-Porcelain Jacket Crownの荷重時の応力解析ー三次元光弾性実験による応力解析ー" 日本補綴歯科学会雑誌. 36. 629-643 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 南 弘之,竹之内 泰己,自見 忠: "キャスタブル・ガラス・セラミックス-ポーセレン・ジャケット・クラウン(I)ーその概要と技工操作ー" Quintessence of Dental Technology. 17. 83-92 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 南 弘之,竹之内 泰己,自見 忠: "キャスタブル・ガラス・セラミックス-ポーセレン・ジャケット・クラウン(II)ー臨床応用と応力解析ー" Quintessence of Dental Technology. 17. 95-104 (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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