Management of Schneiderian Membrane Perforations during Sinus Augmentation Procedures: A Preliminary Comparison of Two Different Approaches.

Horia Mihail Barbu,Stefania Andrada Iancu,Iasmin Jarjour Mirea,José Luis Calvo-Guirado,Nachum Samet,Michele Davide Mignogna

doi:10.3390/jcm8091491

Abstract

Background: The aim of this study was to retrospectively analyze two different sealing techniques for sinus membrane perforations produced during sinus floor augmentation by a lateral approach. Methods: A total of 172 lateral-approach sinus floor augmentation surgeries were performed on 130 patients. Sixty-one membrane perforations (35%) were reported. Most of the perforations were caused by accidental membrane tearing and 16 (26%) were caused by deliberate incision for mucocele removal. In 31 perforation cases (51%), the Schneiderian membrane was sealed by suturing, while the remaining 30 cases (49%) were sealed using a low-resorption collagen membrane coverage. Results: Out of the 31 cases treated with a suture-sealing techniques, 26 (84%) were successful, presenting graft integration. Failure occurred in the other five (16%) cases. Out of the 30 perforations sealed with low-resorption collagen membranes, 28 (93%) presented successful graft integration, while two (7%) failed. Conclusions: Both surgical techniques yielded therapeutic success.

Highlights

Since implant dentistry was firstly implemented more than 50 years ago by Professor P.I
Studies have proven high survival rates for implants inserted in augmented maxillary sinuses, independent of the type of grafting material used for augmentation [2]
The study was designed as a retrospective cohort study based on intraoperative pictures and cone beam computed tomography (CBCT) images that were obtained from a digital database of a private dental clinic located in Bucharest, Romania

Summary

Introduction

Since implant dentistry was firstly implemented more than 50 years ago by Professor P.I. A healthy and unruptured Schneiderian membrane is essential for the successful integration of bone substitute materials placed into the sinus [3]. Apart from accidental perforations, there are cases in which deliberate incisions of the Schneiderian membrane are performed to remove foreign bodies or intra-sinusal entities (such as mucocele pseudocysts) that might lower the success potential of the bone-grafting procedure [11]. The aim of this study was to retrospectively analyze two different sealing techniques for sinus membrane perforations produced during sinus floor augmentation by a lateral approach. Results: Out of the 31 cases treated with a suture-sealing techniques, 26 (84%) were successful, presenting graft integration. Out of the 30 perforations sealed with low-resorption collagen membranes, 28 (93%) presented successful graft integration, while two (7%) failed.

Objectives

Methods

Findings

Conclusion