Shear Bond Strength and FEM of a Resin-modified Glass Ionomer Cement : Effects of Tooth Enamel Shape and Orthodontic Bracket Base Configuration

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概要

• 論文の詳細を見る

• The objective of this study was to evaluate the influences of enamel shape and bracket base configuration on shear bond strength from a biomechanical point of view. To this end, shear bond test and stress analysis using finite element method (FEM) were performed. Results obtained from both tests were then comprehensively investigated. Maxillary incisors were prepared for plane specimens, while mandibular premolars were prepared for curvature specimens. Shear bond test was carried out with three different test conditions. Two finite element models of enamel shape and bracket base configuration were also created. An approximate mean load of 200 N was applied. Results revealed that the shear bond strength of plane model was higher than that of curvature model. In conclusion, the present study revealed that shear bond strength was significantly influenced by enamel shape and bracket base configuration, whereby a curvature configuration tended to have lower bond strength.

• 日本歯科理工学会の論文

著者

• VALLITTU Pekka

  Department of Prosthetic Deutistry and Biomaterials Research. University of Turku Faoulty of Medicin

• Vallittu Pekka

  日本歯科大学生命歯学部 歯科補綴学ii

• Vallittu Pekka

  Univ. Turku Turku Fin

• Vallittu Pekka

  Department Of Prosthetic Dentistry And Biomaterials Science Institute Of Dentistry University Of Tur

• Vallittu Pekka

  日本歯科大学 生命歯学部歯科補綴学ii

• Nakasone Yuji

  Computational Solid Mechanics Laboratory Department Of Mechanical Engineering Tokyo University Of Sc

• HIOKI Makiha

  Department of Oral Development and Orthodontics, Institute of Dentistry, University of Turku

• SHIN-YA Akikazu

  Department of Crown and Bridge , School of Life Dentistry at Tokyo, The Nippon Dental University

• NAKAHARA Rizako

  Department of Orthodontics, School of Life Dentistry at Tokyo, The Nippon Dental University

• SHIN-YA Akiyoshi

  Department of Crown and Bridge , School of Life Dentistry at Tokyo, The Nippon Dental University

• Hioki Makiha

  Department Of Oral Development And Orthodontics Institute Of Dentistry University Of Turku

• Shin-ya Akiyoshi

  Department Of Crown And Bridge School Of Life Dentistry At Tokyo The Nippon Dental University

• Nakahara Rizako

  Department Of Orthodontics School Of Life Dentistry At Tokyo The Nippon Dental University

• Vallittu Pekka

  Department Of Biomaterials Science Institute Of Dentistry University Of Turku And Biocity Turku Biom

• VALLITTU Pekka

  Department of Biomaterials Science and BioCity Turku Biomaterials Research Program, Institute of Dentistry, University of Turku

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