측방접근법을 이용한 상악동거상술 후 임프란트 식립에 대한 후향적 평가
A Retrospective Evaluation Of Implant Installation With Maxillary Sinus Augmentation By Lateral Window Technique
기세일, 박홍주, 국민석, 오희균, Uttom Kumar Shet, 유민기, 김영준,
소속 상세정보
기세일 ( Ki Se-Il ) - 전남대학교 치과대학 구강악안면외과학교실
박홍주 ( Park Hong-Ju ) - 전남대학교 치의학전문대학원 구강악안면외과학교실
국민석 ( Kook Min-Suk ) - 전남대학교 치의학전문대학원 구강악안면외과학교실
오희균 ( Oh Hee-Kyun ) - 전남대학교 치의학전문대학원 구강악안면외과학교실
( Uttom Kumar Shet ) - 전남대학교 치의학전문대학원 BK21사업단
유민기 ( Yu Min-Gi ) - 전남대학교 치의학전문대학원 구강악안면외과학교실
김영준 ( Kim Young-Jun ) - 전남대학교 치과대학 구강악안면외과학교실
KMID : 0360120080300050457
Abstract
Purpose: The aim of this study was to evaluate the clinical results of implants which were installed with maxillary sinus elevation by using lateral window technique.
Material and Methods : We performed the maxillary sinus elevation by lateral window technique to 87 patients who visited Dept. of Oral & Maxillofacial Surgery, Chonnam National University Hospital from January, 2003 to January, 2007. When the residual bone height was from 3 mm to 7 mm, the sinus elevation and simultaneous implant installation was mostly performed. When the residual bone height was less than 3 mm, the sinus elevation was performed and the delayed implant installation was done after 5 or 6 months. No artificial membranes were used for coverage of the lateral bony window site and freeze dried fibrin sealant was applied to the grafted bone. The mean follow-up period was 28.5 months (ranged from 10 months to 48 months)
Results: 1. Unilateral sinus elevations were performed in 51 patients and bilateral sinus elevations were performed in 36 patients. And the total number of sinus elevation procedure was 123 cases. 2. The sinus elevation and simultaneous implant installation was performed in 89 sinuses and 249 implants were installed. The sinus elevation and delayed implant installation was performed in 44 sinuses and 141 implants were installed. The total number of implants were 390 in 133 sinuses. The average healing period after sinus elevations was 6.1 months in delayed implant installation. 3. Only autogenous bone, autogenous bone mixing with allografts or autogenous bone mixing with xenografts were used as graft materials. 4. The average period from first surgery to second surgery was about 7.2 months. 5. Some patients complications, such as perforation of sinus membrane, swelling, infection and exposure of cover screw. Two implants were removed in the infected sinus. 6. The survival rate of implants with maxillary sinus elevation by lateral window technique was 99.5% and the success rate of implants was 95.1%.
Conclusion: These results indicated that the implants which were installed with maxillary sinus elevation by lateral window technique showed high survival and success rates.
키워드
Lateral window technique;Retrospective evaluation
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