Ectopic third molar in maxillary antrum associated with dentigerous cyst – A case report of a rare finding and its management

Dentigerous cysts associated with ectopic teeth within the maxillary antrum are very rare. A 25-year-old married female had mild pain and swelling in the right side of the face over a period of 6 months. Extra oral examination revealed diffused swelling over her right maxillary region. Cone beamcomputed tomography revealed uniform increase in mucosal thickening of right maxillary sinus lining, impacted 18 just below the floor of the orbit, near the infraorbital rim. A provisional diagnosis of infected dentigerous cyst was made. The cyst was enucleated along with removal of third molar by CaldwellLuc procedure. Histopathological examination confirmed the diagnosis of dentigerous cyst.