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자료유형
학술저널
저자정보
저널정보
조선대학교 치의학연구원 Oral Biology Research Oral Biology Research 제38권 제2호
발행연도
2014.1
수록면
63 - 68 (6page)

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Purpose: The purpose of this study are to perform a histomorphometric analysis of the periimplant tissue reaction and the bone implant interface in early loaded implants and an unloaded implant in the edentulous maxilla, and to compare these results for determining proper timing of suprastructure placement. Materials and Methods: In this study, GS-II implant (Osstem Co., Korea) was used. GSII implant fixture is a dualthreaded internal connection type with upper microthreads and CellNest surfaces (anodic oxidation treatment). Three early loaded implants groups (5 days, 20 days, 50 days after surgical treatments) and an unloaded implant control group in the edentulous maxilla were retrieved with a 5.0 mm trephine bur. Histomorphometric analysis – percentage of bone-to-implant surface contact (BIC) and bone volume – was perfomed through digital imaging analysis. Results: The histologic data showed that the osseointegration was achieved in both loaded and unloaded conditions. Five days group showed slightly higher BIC and bone volume than other early loaded groups. Unloaded group was failed to compare. Conclusion: Within the limitations of the study, the clinical and radiological results showed that the osseointegration was achieved. Immediate functional loading of implants could lead to favorable bone responses. More studies are needed so that proper and faster way of loading implants can be developed.

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