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Τετάρτη 12 Δεκεμβρίου 2018

Outcomes of maxillary sinus floor augmentation without grafts in atrophic maxilla: a systematic review and meta‐analysis based on randomized controlled trials

Abstract

Background

Maxillary sinus floor augmentation without grafts has been more widely used, but the efficacy is still controversial.

Purpose

The aim of this review was to systematically evaluate the effectiveness of sinus floor augmentation without grafts in atrophic maxilla.

Methods

The electronic databases included PubMed, EMBASE and the Cochrane Central Register of Controlled Trials. The meta‐analysis was conducted by Review Manager 5.1. The quality of evidence was assessed using the Grades of Recommendation, Assessment, Development, and Evaluation (GRADE).

Results

The electronic database and manual search yield 707 studies. After critical selection, only 6 studies were eligible. Five studies with 336 implants were included in the meta‐analysis compared sinus augmentation with grafts to without grafts. No significant differences were found between the two groups in implant survivals (P=0.94), marginal bone loss (P=0.73) and new bone density (P=0.54). There was significantly more endo‐sinus bone gain in the grafting group (P=0.02). According to the GRADE, the levels of evidence were moderate (implant survival and marginal bone loss), low (endo‐sinus bone gain), and very low (new bone density).

Conclusion

There were no significant differences between maxillary sinus augmentation with and without grafts in short‐term implant survivals.

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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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