Ectopic eruption of teeth can occur in a wide variety of sites. These
include the mandibular condyle, coronoid process, palate, nasal cavity
and maxillary sinus. While this process is unusual, the detection of
a third molar in the maxillary antrum is extremely rare. A case is pre
sented of ectopic eruption of a third molar in the left maxillary sinu
s of a 35-year-old caucasian male giving rise to local morbidity.