Assess the Association Between Periodontitis and Maxillary Sinusitis: A Cross-Sectional Cone-Beam Computerized Tomography (CBCT) Study.

Background/purpose Periodontal pathologies which are considered odontogenic in origin can be a major cause of maxillary sinusitis, along with other dental and non-dental causes. The aim of this study is to define and assess the relationship between periodontitis and maxillary sinusitis. Material and methods A total of 415 CBCT datasets of periodontitis patients were cross-sectionally evaluated.