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CASE REPORT Table of Contents   
Year : 2012  |  Volume : 23  |  Issue : 5  |  Page : 699
An erupted odontoma associated with pigmentation: A histogenetic and histological perspective


1 Department of Oral Pathology, Gian Sagar Dental College and Hospital, Banur, India
2 Department of Oral Pathology, Meenakshi Ammal Dental College, Chennai, India
3 Department of Anatomy and Human Sciences, King's College, London, United Kingdom
4 Department of Oral Pathology, Manipal College of Dental Sciences, Manipal, India

Correspondence Address:
Raghu A Radhakrishnan
Department of Oral Pathology, Manipal College of Dental Sciences, Manipal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9290.107447

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Odontomas are hamartomatous malformations of odontogenic origin composed of all the structures that form the tooth. Pigmentation associated with odontomas is rare, with only two cases reported in the literature. The genesis of this composite malformation is attributable to the organizational failure of the developing odontogenic apparatus leading to abnormal morphodifferentiation. Although some odontomas erupt into the oral cavity, it defies the existing views of normal physiologic tooth movement thus raising questions over the use of this term. Here, we review a case of large odontoma in a 23-year-old male surfacing into the oral cavity from its intraosseous location. The unusual occurrence of melanotic pigmentation in the odontogenic epithelial rests was demonstrated by Mason Fontana special stain. The histogenesis of this unusual entity and explanation to its possible occurrence is discussed.


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