A prospective 15-year follow-up study of mandibular fixed prostheses supported by osseointegrated implants - Clinical results and marginal bone loss

被引:535
作者
Lindquist, LW [1 ]
Carlsson, GE [1 ]
Jemt, T [1 ]
机构
[1] GOTHENBURG UNIV, FAC ODONTOL, DEPT PROSTHET DENT, GOTHENBURG, SWEDEN
关键词
bone resorption; dental implantation; dental prosthesis; longitudinal study; oral hygiene; osseointegration; smoking;
D O I
10.1034/j.1600-0501.1996.070405.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
In this prospective study 47 edentulous patients were treated with mandibular fixed prostheses supported by osseointegrated Branemark implants and followed for 12 to 15 years. Three (1%) of the 273 inserted implants were lost, two before and one six years after placement of the fixed prosthesis. The cumulative success rate (CSR) of the implants was 98.9% both after 10 and 15 years. None of the fixed prostheses was lost and at the last follow-up, all patients had stable fixed prostheses in function (CSR 100%). The marginal bone loss around the implants was small, on average 0.5 mm during the first post surgical year and thereafter about 0.05 mm annually More bone was lost around the anterior implants than around the most posterior ones, Smoking and poor oral hygiene had significant influence on bone loss, while occlusal loading factors such as maximal bite force, tooth clenching and length of cantilevers were of minor importance. It is concluded that the long-term results of the mandibular implant treatment were extremely successful, regarding both the fixed prostheses and implant stability. Bone resorption around the implants, albeit limited, was influenced by several factors, smoking and oral hygiene appeared to be most important.
引用
收藏
页码:329 / 336
页数:8
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