Systematic review of the survival rate and the incidence of biological, technical, and aesthetic complications of single crowns on implants reported in longitudinal studies with a mean follow-up of 5 years

被引：834

作者：

Jung, Ronald E. ^{[1
]}

Zembic, Anja ^{[2
]}

Pjetursson, Bjarni E. ^{[3
]}

Zwahlen, Marcel ^{[4
]}

Thoma, Daniel S. ^{[1
]}

机构：

[1] Univ Zurich, Clin Fixed & Removable Prosthodont & Dent Mat Sci, CH-8032 Zurich, Switzerland

[2] Implantol Dept ACTA, Amsterdam, Netherlands

[3] Univ Iceland, Fac Odontol, Reykjavik, Iceland

[4] Univ Bern, Inst Social & Prevent Med, Bern, Switzerland

来源：

CLINICAL ORAL IMPLANTS RESEARCH | 2012年 / 23卷

关键词：

crown dental implants; humans; survival in humans; systematic review;

D O I：

10.1111/j.1600-0501.2012.02547.x

中图分类号：

R78 [口腔科学];

学科分类号：

100302 [口腔临床医学];

摘要：

Objective To assess the 5-year survival of implant-supported single crowns (SCs) and to describe the incidence of biological, technical, and aesthetic complications. The focused question was: What is the survival rate of implants supporting single crowns and implant-supported crowns with a mean follow-up of 5 years and to which extent do biological, technical, and aesthetic complications occur? Methods A Medline search (20062011) was performed for clinical studies focusing on implant-supported SCs with a mean follow-up of at least 5 years. The search was complemented by an additional hand search and the inclusion of 24 studies from a previous systematic review (Jung et al. 2008a). Survival and complication rates were analyzed using random-effects Poisson's regression models to obtain summary estimates of 5- and 10-year proportions. Results Forty-six studies derived from an initial search count of 1083 titles and the complementary publications from the previous systematic review (Jung et al. 2008a) were selected and the data were extracted. Based on the meta-analysis, survival of implants supporting SCs at 5 years amounted to 97.2% (95% CI: 96.397.9%), and at 10 years amounted to 95.2% (95% CI: 91.897.2%). The survival of implant-supported SCs was 96.3% (95% CI: 94.297.6%) after 5 years and 89.4% (95% CI: 82.893.6%) after 10 years. For biological complications, a 5-year cumulative soft tissue complication rate of 7.1% (95% CI: 4.411.3%) and a cumulative complication rate for implants with bone loss >2 mm of 5.2% (95% CI: 3.18.6%) were calculated. Technical complications reached a cumulative incidence of 8.8% (95% CI: 5.115.0%) for screw-loosening, 4.1% (95% CI: 2.27.5%) for loss of retention, and 3.5% (95% CI: 2.45.2%) for fracture of the veneering material after 5 years. The cumulative 5-year aesthetic complication rate amounted to 7.1% (95% CI: 3.613.6%). Conclusions The outcomes of the meta-analysis demonstrated high implant survival rates for both the single tooth implants and the respective single crowns after 5 and 10 years. However, technical, biological, and aesthetic complications were frequent.

引用

页码：2 / 21

页数：20

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