Abutment Forms and Restorative Materials in Adhesive Prosthesis A Finite Element Analysis

This study evaluated experimental abutment forms utilizing adhesion for clinical treatment by the three-dimensional finite element method. Three experimental abutment forms with no axial wall were evaluated: Form 1 was the occlusal surface reduced by 1.5mm, Forms 2 and 3 were the crown cut perpendic...

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Bibliographic Details
Published inDental Materials Journal Vol. 23; no. 2; pp. 75 - 80
Main Authors KOBAYASHI, Kunihiko, YORIMOTO, Takumi, HIKITA, Kazuhiro, MAIDA, Takeo
Format Journal Article
LanguageEnglish
Published Japan The Japanese Society for Dental Materials and Devices 01.06.2004
Subjects
Abutment form
Adhesion
Bicuspid
Bite Force
Cementation
Composite Resins
Crowns
Dental Abutments
Dental Porcelain
Dental Stress Analysis - methods
Dentistry
Elasticity
FEM
Finite Element Analysis
Gold Alloys
Humans
Materials Testing
Resin Cements
Tooth Preparation, Prosthodontic - methods
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Summary:This study evaluated experimental abutment forms utilizing adhesion for clinical treatment by the three-dimensional finite element method. Three experimental abutment forms with no axial wall were evaluated: Form 1 was the occlusal surface reduced by 1.5mm, Forms 2 and 3 were the crown cut perpendicular to the tooth axis 2mm or 4mm from the central groove. The restorations were made of 3 types of materials: composite resin, porcelain, and a gold-based alloy. Restorations were bonded to the abutments with an adhesive resin. A vertical load of 500N was applied to the center of the inner incline of the buccal cusp. The stresses in the adhesives were largest in Form 1 with composite resin and in Form 3. It was indicated that the stresses were greatly affected by the form of the abutment and the restorative materials.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:0287-4547
1881-1361
DOI:10.4012/dmj.23.75