A Rare case of Ectopic tooth associated with Dentigerous cyst in maxillary sinus

Ectopic eruption of teeth may be associated with developmental disturbances, pathologies or may be iatrogenic. Ectopic eruptions of 3rd molar in maxillary sinus is relatively rare. This article reviews a 30 year male who reported to the out-patient department of Oral and Maxillofacial Surgery with complaint of pain and swelling in upper left side of the face since 15-20 days. Orthopantomogram revealed an impacted tooth in left maxillary sinus with cystic lining. Provisional diagnosis of dentigerous cyst in relation to ectopic tooth was made. Surgical removal of the tooth from the maxillary sinus using a standard Caldwell-Luc approach is the treatment of choice along with removal of the associated pathology. Asymptomatic cases should be managed similarly as the tendency to form cyst or tumor is possible.