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KMID : 0362720040420120873
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Journal of the Korean Dental Association
2004 Volume.42 No. 12 p.873 ~ p.881
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Kim Young-Kyun
Hwang Jung-Won
Yun Pil-Young
Kim Su-Gwan
Chung Chae-Heon
Choi Yong-geun
Song Sung-Il
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Abstract
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A number of dental implant systems have been developed worldwide. And, on the base of experimental and clinical studies, considerable technical improvement and production of qualified dental implant system was accomplished. As a member of Korean implant system, AVANA implant system has relatively long-term accumulated clinical data. Though there were many studies on the AVANA implant system, multicentric prospective study has not been tried. The authors tried to evaluate the early stability using Periotest짋 value preliminarily.
The patients who had been operated from Jun 2003 to May 2004 in the Seoul National University Bundang Hospital, Chosun University Dental Hospital, Bundang Jesaeng General Hospital respectively were included. To evaluate factors associated with early stability, patients were classified according to gender, age, area of surgery, bone quality, width of alveolar ridge, type of implant, diameter and length of implant. Primary stability and secondary stability was measured by Periotest짋 device.
Periotest짋 value at the time of implant placement was -1.7 in one-stage group. This value was significantly higher than that of two-stage group(+1.5). Diameter of implant was closely related with primary stability(p=0.001). Primary stability was fine(under the +3) in 73.1%(95/130) of implants and 96.2%(125/130) of implants showed fine secondary stability. There was significant difference between primary stability and secondary stability.
From the analysis of preliminary data, satisfactory result was on the whole achieved. More reliable data for the additional radiographic and histomorphometric evaluation will be followed later from this multicentric prospective study. Ultimately, this study will contribute to develop more adaptable and compatible to the Korean people specifically and to suggest a clinical evidences that many clinicians could select domestic implant system with confidence.
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KEYWORD
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AVANA, Dental implant system, Prospective study, Periotest
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