Spontaneous complex odontoma in a Sprague-Dawley rat
Authors
Dong Deuk Jang ; Chuel Kyu Kim ; Byeongwoo Ahn ; Jin Seok Kang ; Ki Taek Nam ; Dae Joong Kim ; Dong Un Han ; Kwonil Jung ; Han Kook Chung ; Seung Kwon Ha ; Changsun Choi ; Wan Seob Cho ; Junghyun Kim ; Chanhee Chae
Citation
JOURNAL OF VETERINARY MEDICAL SCIENCE, Vol.64(3) : 289-291, 2002
Complex odontoma from a female Sprague-Dawley rat is described histopathologically. Necropsy revealed a hard (bony), white mass (3.0 × 3.0 × 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.