The use of Cone-Beam-Computed Tomography in the diagnosis of maxillary sinus inflammatory changes of endodontic origin

Periapical or periradicular pathology of posterior maxillary teeth can cause an inflammatory response in the maxillary sinus. The presented clinical cases show this complex and difficult situation, both for the establishment of a precise diagnosis, but also of the causal relationship, which leads to a treatment addressed to the endodontic infectious cause, without which, only a symptomatic treatment would not ensure the necessary conditions for the healing of this pathology.