Effect of Sinus Membrane Perforation on the Survival of Implants Placed in Combination With Osteotome Sinus Floor Elevation

Abstract

This study was conducted to evaluate implant survival with regard to effects of sinus membrane perforation that occurred during osteotome sinus floor elevation (OSFE). The study group consisted of 42 patients with edentulous posterior maxilla. Implants placement combined with OSFE without a grafting material was performed. All patients underwent a radiographic examination before surgery, to reveal the periimplant bone formation immediately after implant placement and 6 to 33 months later. Sinus membrane perforations were detected in 6 patients, and 6 implants were inserted in 6 sinus sites. No infection occurred in all sites, and all implants succeeded in the observation follow-up period. There was a 100% survival rate of implant in perforated sinuses, the same as in intact sinuses. Within the limits of this study, we can conclude that perforation of the sinus membrane does not compromise the short-term survival of dental implants placed in combination with OSFE.

Does intraoperative perforation of Schneiderian membrane during sinus lift surgery causes an increased the risk of implants failure?: A systematic review and meta regression analysis

“…Thirteen studies reported the number of SM perforations and implants failure rate at the study level. Meta regression analyses from the random‐effects model (I 2 = 84%) showed that there was statistical significant and positive association ( P = .06) between implants failure rate and the number of SM perforation after SFE (Figure ).…”

“…At this stage of the analysis, 42 studies were excluded because they did not meet inclusion criteria. Finally, a total of 58 studies met the inclusion criteria and were processed for critical review …”

“…A total of 7358 implants were installed in posterior atrophic maxillae following 3884 SFE, either via lateral approach ( n = 3438) or crestal ( n = 446). The follow‐up time was varied from 4 months to 5 years. A total of 859 lateral approach were performed using piezosurgical in nine studies or rotary burs ( n = 2541) .…”

“…A total of 1291 patients with 1657 sinuses involving 4814 implants enrolled in 13 studies compared to perforated sites against nonperforated sites in term of implants loss before and after functional loading . The follow‐up time ranged from 6 months to 8 years.…”

“…More detailed about risk of bias assessment according to Cochrane, an assessments tool for the RCTs is presented in the Supporting Information Figure S1. For nonrandomized controlled and observational studies, 22 studies were a moderate risk of bias, and one study was a high‐risk of bias according to MOSES was applied . (Supporting Information Table S4).…”