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KMID : 0988720080240010077
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Journal of the Korean Academy of Stomatognathic Function and occlusion
2008 Volume.24 No. 1 p.77 ~ p.90
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Abutment Sinking and Fitness of Conical Internal Connection Implant System according to Loading Condition
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Lee Hal-La
Son Mee-Kyung
Kim Hee-Jung
Chung Chae-Heon
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Abstract
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The purpose of this study was to evaluate internal conical abutment sinking and fitness according to the loading condition. In this study, Alloden implant fixture and two abutment(conventional, FDI) systems were used. Each abutment was applied 1 time of finger force, 3 times of malleting force, 5 times of 20kg and extra several times to the fixture until the amount of abutment singking showed no change. Then, the length of abutment to fixture which was binding lightly with no pressure state was measured by Vernier caliper. After loading application, the length was remeasured and the amount of sinking was calculated. The implant was buried in unsaturated polyester (Epovia, Cray Valley Inc. Korea) for making a comparison between the change of length and fitness of abutment-fixture connection part. Then All samples were cross-sectioned with high speed precision cut-off(accutom-5, Struers, Denmark). Finally, The result were observed and analyzed using FE-SEM (field emission scanning electron microscopy).
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KEYWORD
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conical abutment, fitness, internal connection, sinking
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