Abstract
We experienced a case of inverted tooth in the nasal cavity, which is comparatively rare. We investigated four cases of inverted teeth which we experienced in our department and seven cases reported from January 1975 to April 1986 in the literature.
1. Sex distinction
Male: 6 cases Female: 6 cases
2. Age
Average age 11.5 years old
Under 10 years of age: 10 cases among 12 cases
3. Classification and form
Classification
Normal teeth: 4 cases
Supernumerary teeth: 8 cases
Form
Canine or canine like: 8 cases among 12 cases
4. Symptoms
Cases developing symptoms concerning the nose were observed in more cases than in the others.
In particular, a feeling of nasal obstruction was observed in the most cases.
5. Cause
4 of the 5 cases experienced in our department were accompanied with cleft lip and cleft palate.
