Risk analysis for acute oroantral communication: a retrospective study

Abstract

Aims: The purpose of this study was to evaluate the relationship to type of sinus pneumatization with the relationship between extracted tooth and maxillary sinus in patients who developed oroantral communication (OAC). Methods: The patients who developed OAC after maxillary extraction and underwent OAC treatment were included in the study. The predictor variable was the type of maxillary sinus pneumatization (MSP). The primary outcome was relationship between extracted tooth and maxillary sinus. The covariates were age and sex. A Kruskal-Wallis and Pearson chi-square tests were used for the statistically analysis. Results: The study completed with 429 patients who met inclusion criteria. There was a statistically significant difference in the mean age between the relationship type between the extracted teeth and the maxillary sinus groups in this study (p<0.001). The highest mean age was found in type 2 (43.17±13.99), and the lowest was found in type 4 (36.26±12.79). In this study, type C MSP had the highest rate. In 46.03% of them, 1/3 of the roots of the extracted tooth were in the maxillary sinus. After type C, the highest rate was type E. More than half of the roots of 56.96% of them was in the maxillary sinus. There was a statistically significant relationship to MSP with type of relation between the extracted teeth and maxillary sinus (p<0.001). Conclusion: The risk of developing OAC during the extraction of molar increases in young patients where the maxillary sinus dropped in the entire posterior or its borders cannot be distinguished.

Keywords

• Oroantral communication
• oroantral fistula
• maxillary sinus
• molar teeth

Supporting Institution

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Ethical Statement

The research protocol was approved by the Clinical Research Ethics Committee at the University of Erciyes (2023/204).

Thanks

N/A

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