パノラマ X 線写真における偶発所見 : 第 1 報内骨症について

概要

論文の詳細を見る
Many kinds of incidental findings are seen in the routine dental radiology. Enostosis is one of the incidental findings in the jaw bones. According to the past reports, the incidence of enostosis ranged from a few percent to 31 percent. In this paper, the incidence, sexual diference, size, and the most common region of enostosis on panoramic radiographs of 371 cases, aged from 20 to 30, are reported. Radiological definition of enostosis is as follows : 1) Round and well-defined radiopacities locate near the root apex. 2) The teeth, which locate near the radiopacities, are vital. 3) Shows no clinical symptoms. The results were as follows : 1) The incidence of enostosis in panoramic radiographs was 15.6%. 2) There are no significant difference in frequency of lesions between male and female. 3) The size of 5-10mm lesion was predominant. Most lesions were located in the mandibular premolar region. 4. Lesions located apart from root apex were most common.
九州歯科学会の論文
1991-08-25