[The root resorption of the maxillary incisor caused by the impacted supernumerary tooth and supernumerary tooth of deciduous dental arch (author's tranasl)].
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A rare case of an intracranially located supernumerary tooth was described, observed over a period of 14 years, where movement was established laterally in relation to the referent Carthesian coordinate system, down and forward with rotation around the anteroposterior axis. During skull growth, the skull base angle changed by 20 degrees, but this movement only affected the change in tooth position slightly. During the observation period, no further changes in the neurological findings were observed.
A boy visited an ear-nose and throat clinic for serous rhinorrhea and a tumor-like mass in the nasal cavity. X-ray and computered tomographies showed a bone-like mass with a slightly radiolucent center which seemed to stem from the nasal septum. A supernumerary tooth in the nasal cavity was extirpated under local anesthesia. In some reports, complications of supernumerary tooth were severe and involved areas other than the nose (cleft lip and/or palate, bilateral aniridia and ectopia lentis, familial adenomatous polyposis coli, ventricular septal defect or patent ductus arteriosus). A case had a risk of inducing severe intracranial complication. Therefore we must not overlook a supernumerary tooth.
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A panographic radiograph of a 31-year-old man revealed the presence of an impacted supernumerary paramolar. Periapical radiographs of the same area failed to confirm the existence of this supernumerary tooth. A review of the inherent distortion factors present in panographic radiography leading to the misdiagnosis is discussed.
During a routine oral examination of a 19 year-old Black male, a bony impaction of his mandibular left third molar fused to an inverted supernumerary tooth with a cystic cavity was found. Histologic examination confirmed the presence of a dentigerous cyst.
A case of an unusual foreign body (a tip fragment from a plastic chopstick) embedded in one of two unerupted supernumerary teeth in the premaxillary region of a 12-year-old Japanese boy is presented.