Abstract
A case of an inverted tooth eruption into the nasal cavity is herein reported. The patient was a 53-year-old female who had complained of recurrent nasal bleeding for several years. There was no history of nasal trauma or operation. In the right nasal cavity, a small bony mass was found. A CT scan showed a bony-dense mass attached to the right nasal septum. We removed the bony mass under local anesthesia. Histological examinations showed the extracted specimen to contain dentin. All the patients teeth were still intact and the projection was thus thought to be a supernumerary tooth. Since 1976, 54 cases of inverted tooth eruptions into the nasal cavity have been reported. A review of the literature revealed the ages of patients with erupted teeth ranged from 2 to 67 years, while the male to fermale ratio ranged from 1.25 (30 cases) to 1 (24 cases). Most erupted teeth were considered to be supernumerary ones.