The role of accessory ostia of the maxillary sinuses in pathogenesis of acute and chronic maxillary sinusitis.

The objective of the present study was to analyze the literature publications concerning the problem of accessory ostia of the maxillary sinuses and their influence on the development and clinical course of acute and chronic maxillary sinusitis. It is concluded that, despite the conflicting opinions of different authors, accessory ostia appear to be involved in pathogenesis of maxillary sinusitis as the factors that provoke chronization of the inflammatory processes.