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KMID : 1004520100260010047
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Journal of Dental Rehabilitation and Applied Science
2010 Volume.26 No. 1 p.47 ~ p.57
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Influence of Implant Designs on Initial Stability
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Cho Jae-Myoung
Kim Chang-Seop
Yun Mi-Jung
Jeon Yun-Kyung
Seo Seung-U
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Abstract
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An undisturbed healing process without micromotion at the implant-bone interface is essential for achievement of
osseointegration of dental implant. Therefore, initial stability was advocated as prerequisite for successful clinical outcome. Adequate bone quality and quantity were important to achieve initial stability and to prevent early failures. However there were few published data available regarding the effect of design change in implant geometry on initial stability of the implants. The purpose of the current study was to assess the initial stability of various designs of implants when placed into artificial bone materials of varying qualities and shapes of insertion holes. Within the scope of this study, the following results were drawn. Bone quality was major importance to achieve initial stability. Initial stability was higher on GSⅡ which had additional design feature of double thread. With a tapered design of implant such as GSⅢ showed a higher initial stability than straight one. An insertion hole with the similar shape of implant would lead to reduce a compression force on cortical bone and enhance a bone anchorage on cancellous bone.
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KEYWORD
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Bone quality, Implant geometry, initial stability
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