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Case Reports
. 2002 Mar;64(3):289-91.
doi: 10.1292/jvms.64.289.

Spontaneous complex odontoma in a Sprague-Dawley rat

Dong Deuk Jang  1 , Chuel-Kyu Kim, Byeongwoo Ahn, Jin Seok Kang, Ki Tack Nam, Dae Joong Kim, Dong Un Han, Kwonil Jung, Han-Kook Chung, Seung-Kwon Ha, Changsun Choi, Wan-Seob Cho, Junghyun Kim, Chanhee Chae
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Free article
Case Reports

Spontaneous complex odontoma in a Sprague-Dawley rat

Dong Deuk Jang et al. J Vet Med Sci. 2002 Mar.
Free article

Abstract

Complex odontoma from a female Sprague-Dawley rat is described histopathologically. Necropsy revealed a hard (bony), white mass (3.0 x 3.0 x 2.1 cm) on the left mandible. Microscopically, the mass consisted of islands or nests of epithelial and mesenchymal elements that formed abortive tooth structures. In other areas, tooth formation consisted of a pulp cavity lined by layers of odontoblasts, dentin, enamel, and ameloblasts. Concerning all features of normal tooth formation which was differentiated and mineralized yet completely disorganized, the diagnosis of complex odontoma was recommended.

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