Supernumerary Tooth in Nasal Cavity: Report of 1 Case / 대한이비인후과학회지

Supernumerary tooth, named mesodens, occur between the maxillary central incisors are generally found in pairs, although it is sometimes found singly. An inverted mesiodens may move toward the nasal cavity and erupt in the floor of the nose. Approximately 90% of all supernumerary tooth usually appear in the area of the maxilla, where they disrupt the position and eruption of normal teeth. A supernumerary tooth may closely resemble the teeth of the group to which it belongs, i.e., molars, premolars or anterior teeth.