지대주 풀림과 조임시 지대주 세척방법에 따른 임플란트 주변 골소실의 양에 대한 평가
Effect of cleansing methods on the bone resorption due to repeated dis/re-connection of implant abutment
양승민, 계승범, 신승윤,
소속 상세정보
양승민 ( Yang Seung-MIn ) - 성균관대학교 의과대학 삼성서울병원 치주과
계승범 ( Kye Seung-Beom ) - 성균관대학교 의과대학 삼성서울병원 치과진료부 치주과
신승윤 ( Shin Seung-Yun ) - 성균관대학교 의과대학 삼성서울병원 치주과
KMID : 0363020070370030535
Abstract
Background : Repeated dis/re-connection of implant abutment caused bone loss around implant fixtures due to the new formation of biologic width of the mucosal-implant barrier. The aim of this clinical study was to evaluate whether the repeated dis/re-connection of implant abutment cause bone loss clinically and the effect of cleansing methods on a bone loss during the early healing period.
Methods : A total 50 implants were installed in 20 patients and repeated dis/re-connection of abutment was performed at the time of surgery and once per week for 12 weeks. 0.9% normal saline solution as group1 and 0.1% chlorhexidine solution as group 2 was used to clean abutments. All patients had radiographs taken at the placement of implant and 4, 8, and 12 weeks postoperatively. The data for bone loss around implant were analyzed.
Results: The marginal bone loss at 12 weeks were , in the mesial and distal sides in group1, , in group 2, respectively. In view of marginal bone loss, there was not a significant statistical difference between groups.
Conclusions : Repeated dis/re-connection of implant abutment may not cause marginal bone loss around implant fixture although limited samples and short-term observation period. In spite of more bone loss in group 2, there was no statistical significant difference between groups. In context of those results, the clinical significance of the repeated dis/re-connection of implant abutment and the cleansing method of abutments is debatable when it comes to marginal bone loss during early healing period.
키워드
Branemark TiUnite(TM) implant;Alvcolar bone Loss;Abutment dis/re-connection;Cleansing methods
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