Abstract
In clinical pediatric dentistry, there are numerous cases encountered of impacted supernumerary teeth. Reports of erupted front of maxillary supernumerary tooth in the maxillary sinus are however rare. A case is presented here in which a supernumerary tooth erupted into the maxillary sinus.
An eleven-year, two-month old girl was brought to the out-patient ward of dentistry for children, Tokyo Dental College Chiba Hospital for caries prevention and a treatments of an impacted supernumerary tooth. Radiographic examination which included a panoramic radiograph revealed a supernumerary tooth in near the root of the lateral incisor and canine. The patient has been followed up and no clinical abnormalities have been observed.
Two years later, at the age of 13 year,2 month, a supernumerary tooth seemed to be erupted into the maxillary sinus by a panoramic radiograph. CT scanning revealed one-third of the crown of a supernumerary tooth erupted in the maxillary sinus. The maxillary sinus did not however reveal sinusitis or a cyst, and clinical examination of the nose and oral did not reveal any abnormality. We intend to following regular radiographic examination and observation.
CT scanning was effective in reveal the relation between the supernumerary tooth and maxillary sinus.
