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KMID : 0355619920180040130
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Journal of Korean Association of Oral and Maxillofacial Surgeons
1992 Volume.18 No. 4 p.130 ~ p.136
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Accessory jaw bone : report of a case
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Abstract
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Accessory jaw bone is a very rare developmental anomaly. This is a case report and review of literature that deals with accessory jaw bone.
A 4-year-old boy visited the Chonnam University Hospital in March, 1988, because of the abnormal mass on the left maxillary posterior region and the open bite. An egg-sized anomalous structure containing supernumerary teeth was found just behind
the
left deciduous maxillary first molar. Radiographs revealed an osseous structure containing multiple teeth situated between the left maxillary tuberosity and the coronoid process, and diagnosed as accessory jaw bone. The patient underwent surgery
for
removal of the accessory jaw which had a firm osseous union with the base of the skull. Surgical specimen was sized about 40×35mm, and was composed of osseous structures containing deciduous tooth-like four erupted supernumerary teeth and three
impacted supernumerary teeth crowns. And thereafter, orthodontic treatment was done for correction of the deviated mandible and the open bite.
The patient now opens and closes his mouth without deviation and has improved occlusion. And careful attention will be paid to the prognosis of the patient.
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