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Reosseointegration of the mechanically disintegrated implants in dogs: a histometric analysis

Other Titles
 성견에서 기계적인 힘에 의해 분리된 임플란트의 재유착 : 조직 계측학적 분석 
Authors
 이진우 
Issue Date
2012
Description
Dept. of Dental Science/석사
Abstract
The purpose of this study was to evaluate the re-osseointegration of the implants reinserted following mechanical breaking of osseointegration in dogs.Rotationally mobile implants by using oversized drilling were bilaterally installed in five canine mandibles. After 4 weeks of healing period, immature osseointegration of the implant for the experimental group was intentionally broken by mechanical countertorque and reinserted at the same site, while the control group remained submerged without any surgical intervention. The animals were euthanized 4 weeks after breaking of osseointegration. Change of the implant stability quotient (ISQ) and Periotest™ value (PTV) were analyzed, and bone to implant contact (BIC, %) was histometrically measured. The mean of PTVs at the end point were similar and were not statistically significant between the experimental and the control group. But in the mean of ISQ values and BIC, the experimental group showed significantly higher values than that of the control group.Within the limitation of this study, it is concluded that the mechanically broken osseointegration can be successfully reosseointegrated, after unloaded and submerged healing for a certain period.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/134328
Appears in Collections:
2. 학위논문 > 2. College of Dentistry (치과대학) > 석사
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