Maxillary sinus and root canal therapy complications
The maxillary sinus is the largest paranasal sinus and overlies the maxillary alveolar process. The topographic anatomical relationship between the maxillary posterior teeth and the maxillary sinus necessitates great care in performing endodontic treatment. It has been suggested that the incidence of sinusitis of dental aetiology is increasing. One reason for this apparent increase may be the availability of improved imaging, specifically in-office cone beam computed tomography (CBCT) scanning.
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