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J Clin Periodontol. 2008 Sep;35(8 Suppl):241-54. doi: 10.1111/j.1600-051X.2008.01273.x.

A systematic review of the success of sinus floor elevation and survival of implants inserted in combination with sinus floor elevation. Part II: transalveolar technique.

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  • 1Department of Restorative Dentistry, National Dental Center, Singapore, Singapore.

Abstract

OBJECTIVES:

The objectives of this systematic review were to assess the survival rate of implants placed in sites with transalveolar sinus floor elevation.

MATERIAL AND METHODS:

An electronic search was conducted to identify prospective and retrospective cohort studies on transalveolar sinus floor elevation, with a mean follow-up time of at least 1 year after functional loading. Failure and complication rates were analyzed using random-effects Poisson regression models to obtain summary estimates/ year proportions.

RESULTS:

The search provided 849 titles. Full-text analysis was performed for 176 articles, resulting in 19 studies that met the inclusion criteria. Meta-analysis of these studies indicated an estimated annual failure rate of 2.48% (95% confidence interval (95% CI): 1.37-4.49%) translating to an estimated survival rate of 92.8% (95% CI): 87.4-96.0%) for implants placed in transalveolarly augmented sinuses, after 3 years in function. Furthermore, subject-based analysis revealed an estimated annual failure of 3.71% (95% CI: 1.21-11.38%), translating to 10.5% (95% CI: 3.6-28.9%) of the subjects experiencing implant loss over 3 years.

CONCLUSION:

Survival rates of implants placed in transalveolar sinus floor augmentation sites are comparable to those in non-augmented sites. This technique is predictable with a low incidence of complications during and post-operatively.

PMID:
18724853
[PubMed - indexed for MEDLINE]
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