Abstract
Eruption of tooth into extraosseous locations is an extremely rare condition. We report a case of a six-year-old girl child with tooth-like structure erupting from the right buccal mucosa. Clinical, radiographic, and histopathologic examination suggested the diagnosis of compound odontoma. Very few cases have been reported so far, where tooth has been located completely in the soft tissue and a variety of names have been used for that condition. A brief review of the literature and the ambiguity in naming the situation is discussed.
Highlights
Odontoma is the most common benign odontogenic tumour showing slow-growth and nonaggressive behaviour [1, 2]
Odontoma by definition refers to any tumour of odontogenic origin; it means a growth where both the epithelial and mesenchymal cells exhibit complete differentiation [12]
Odontomas occur at any age but are most commonly seen in the first two decades of life which accords with the present case which had occurred in a six-year-old child
Summary
Odontoma is the most common benign odontogenic tumour showing slow-growth and nonaggressive behaviour [1, 2]. Odontomas are hamartomas composed of various dental tissues, that is, enamel, dentin, cementum, and sometimes pulp [2]. Garvey et al in 1999 have further classified compound odontoma into three types: (a) denticular type which is composed of two or more separate denticles, each resembling a tooth; (b) particulate type which is composed of two or more separate masses of particles with dental tissues abnormally arranged; (c) denticuloparticulate type where the denticles and particles are present side by side [8]. According to Junquera et al in 2005, three types of odontomas are recognized clinically, which include central (intraosseous) odontoma, peripheral (extraosseous or soft tissue) odontoma, and erupted odontoma [9]. We report a case of tooth erupting from the right buccal mucosa because of its rarity and the enigma in naming the lesion
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