腺様歯原性腫ように関する臨床的検討

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  • A clinical study of adenomatoid odontogenic tumors.

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Ten patients with adenomatoid odontogenic tumors (AOT) treated at the 2nd.<BR>Department of Oral and Maxillofacial Surgery, Osaka Dental University Hospital during the twenty years between 1975 and 1994 were analyzed clinically.<BR>1. AOT accounted for about 5.0% of all odontogenic tumors treated at our clinic.<BR>2. The age at the initial visit ranged from 10 to 44 years old, with seven cases in the second decade. The ratio of male to females was two to three.<BR>3. Two tumors occurred in the maxilla and eight in the mandible. Eight tumors were located in the anterior region or anterior to premolar region.<BR>4. Radiographically, all tumors showed an ovoid unilocular radiolucency with a sclerotic margin, involving many small foci of calcification in 9 cases and an unerupted tooth in 8 cases. A considerable portion of the unerupted teeth was involved in the lesion. Bone expansion and divergency of the roots on the affected site were found, but prominent root resorption was not seen.<BR>5. Nine tumors were enucleated, and there was no case of recurrence.

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