Journal of Periodontal and Implant Science

Korean Academy of Periodontology (대한치주과학회)
권호 표지

Survival rate of implant placement in the maxilla treated with sinus elevation by the lateral approach : A retrospective study

측방 접근법을 이용하여 상악동 거상술을 시행한 부위에 식립한 임플란트의 생존율에 대한 후향적 연구

  • Lee, Eun-Sun (Department of Periodontology, School of Dentistry, Chonbuk National University) ;
  • Ahn, Yong-Bum (Department of Periodontology, School of Dentistry, Chonbuk National University) ;
  • Lee, Won-Jin (Department of Periodontology, School of Dentistry, Chonbuk National University) ;
  • Kim, Hyung-Seop (Department of Periodontology, School of Dentistry, Chonbuk National University)
  • 이은선 (전북대학교 치의학전문대학원 치주과학교실) ;
  • 안용범 (전북대학교 치의학전문대학원 치주과학교실) ;
  • 이원진 (전북대학교 치의학전문대학원 치주과학교실) ;
  • 김형섭 (전북대학교 치의학전문대학원 치주과학교실)
  • Published : 2008.12.31
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Abstract

Purpose: Osseointegration of implants in patients with pneumatized maxillary sinuses is difficult to achieve due to the deficiency of available bone in the posterior maxilla after loss of teeth. Maxillary sinus elevation is a method to overcome this problem. In this study, we evaluated the implant survival rate and the relationship between implant survival in patients with sinus elevation by the lateral approach. Materials and Methods: A total of 48 patients were consecutively treated with sinus elevation by the lateral approach between February 2003 & August 2006 at the dental hospital of Chonbuk National university. A total of 113 implants were placed. The mean healing period was 7.1 months and implants were placed after a mean period of 5.6 months. The mean observation period was 21.8 months. Results: Out of the 113 implants placed, fifteen failed, resulting in a survival rate of 86.7%, 18 cases of sinus membrane perforation were observed out of 65 sinuses treated. 33 implants were placed in a perforated site and 10 failed, representing a 60.7% implant survival. 80 implants were placed in a nonperforated site and 5 failed, representing a 92.6% implant survival. Conclusions: Implant placement with sinus elevation is an acceptable treatment for short term results. Sinus membrane perforation and postoperative complications, however, may have an effect on implant failure.

Keywords

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