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Odontomas in Frogs.

Elise E B LaDouceur1, Amanda M Hauck1, Michael M Garner2

  • 1Joint Pathology Center, Silver Spring, MD, USA.

Veterinary Pathology
|September 26, 2019
PubMed
Summary
This summary is machine-generated.

Odontomas, or tooth tumors, were found in three frog species. These hamartoma-like growths are composed of tooth structures and may arise from displaced dental lamina.

Keywords:
amphibiananuranfrogodontogenic tumorsodontomaoral pathology

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Area of Science:

  • Comparative dentistry
  • Amphibian pathology
  • Odontogenesis

Background:

  • Odontomas are benign, tumor-like growths of odontogenic tissues.
  • Frogs possess unique dental characteristics, including polyphyodonty and homodonty, with teeth attached directly to bone.

Observation:

  • Odontomas were identified in three frog species: Xenopus laevis, Dyscophus guineti, and Dyscophus sp.
  • Histological examination revealed numerous tooth-like structures within the odontomas.

Findings:

  • The tooth-like structures consisted of dentinal matrix lined by ameloblasts and odontoblasts.
  • Immunohistochemistry confirmed the presence of dental tissues, supporting the diagnosis of odontoma.

Implications:

  • This study documents odontomas in newt species, expanding the known range of this condition.
  • The findings suggest that displacement of the dental lamina may be a key factor in odontoma development in frogs.