자연 치아와 골유착성 임플랜트의 동요도에 관한 연구
Mobility of natural teeth and osseintegrated implants
장경수, 김영호, 김영수,
소속 상세정보
장경수 ( Jang Kyung-Soo ) - 서울대학교 치과대학 치과보철학교실
김영호 ( Kim Yong-Ho ) - 서울대학교 치과대학 치과보철학교실
김영수 ( Kim Yung-Soo ) - 서울대학교 치과대학 치과보철학교실
KMID : 0362419950330010144
Abstract
It is well known that implants showing no clinical mobility are successfully osseointegrated and have good prognosis. When implants are under load, their mobility begins to increase. It is of necessity to substantiate whether excessive load is no or premature occlusal force is acting prior to desirable ossointegration. Using Periotest unit, we could measure the pattern of mobility change. Consequently, osseointegrated treatment has come to success by intercepting progressive mobility and doing perceptive treatment according to the result of Periotest Value(PTV). In this study, we took records of intangible mobility of 70 osseointegrated implants. And we also measured the mobility of periodontally sound natural teeth as a standard from 30 dental personnel. Conclusions were summarized as following ; 1. Lower lateral incisor has the highest PTV, whereas lower canine, upper canine, lower premolars and lower 1st molar have the lowest PTV in natural dentition. 2. There are little significant statistical difference of PTV between men and women in both(natural and implant) dentition. 3. In general, lower natural teeth show lower PTV than upper counterpart. 4. Mandibular implants have lower PTV than those of maxillary implants. 5. All of the successfully osseointegrated implants have lower PTV than those of periodontally healthy teeth.
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