日本補綴歯科学会雑誌
Online ISSN : 1883-177X
Print ISSN : 0389-5386
ISSN-L : 0389-5386
生体活性ガラスを用いたインプラントの破壊強度に関する検討
三次元有限要素法による応力解析
笹嶋 泉山森 徹雄細川 貢塩山 司及川 純石橋 寛二金子 則夫藤野 雅美長谷川 達郎
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1994 年 38 巻 6 号 p. 1178-1183

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The purpose of this study was to clarify the mechanical characteristics of dental implants using Bioactive Glass.
The value of the load bearing strength determined by the breaking strength test was used as a base to observe and analyze the implant through the 3-D Finite Element Method. These results were then compared to the analytical results from an implant model and evaluated.
Results showed that fracturing of dental implants or implants coming loose was solely dependent upon where the load was applied, load angle, and direction of load application.
Placement of the dental implant is determined by taking into consideration the direction of the occlusal force.The direction of load bearing in relation to occlusal contact on the outer oblique plane of the cusp and midportion of the occlusal plane was found to be desirable between 90°to 135° and 60°Cto 120°C, respectively.

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