Influence of Periapical Lesion on Healing in Sinus after Endodontics

Abstract Objective The goal of primary and secondary endodontic treatment is to eliminate the cause inflammation inside tooth in surrounding tissues. When from root canal system spreads beyond apex root, periapical changes bone tissue and, case upper premolars molars, inflammatory Schneider membrane may occur. Materials Methods In a retrospective documentation analysis treatments, three-dimensional (3D) computed tomography images before after were assessed measure thickness membrane. Forty-five endodontically treated patients aged 21 62 years enrolled study. Inflammation maxillary sinus was considered when thicker than 2 mm. Statistical analyses performed with Statistica 12 by StatSoft StatXact Cytel using Shapiro–Wilk test, Student's t-test, Mann–Whitney test. Results Out comparisons between variables, only 3 significant. There relationship effect (reduction months treatment) maximum height (p = 0.004). presence lesion minimum diaphragm 0.02), there 0.04). Conclusion Primary treatments molars reduce treatment.