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Ameloblastic fibro-odontoma

Odontogenic myxoma

Characteristics
  • It represents approximately 3 - 6% of all odontogenic tumors. It is painless and grows slowly.
  • It can occur at any age but most commonly in the second and third decades of life.
  • More often affects the mandible (molar/premolar region).
  • Typically multilocular. The internal septa are thin and straight forming a tennis racket or honeycomb appearance.
  • Usually has well defined borders.
  • Adjacent teeth can be displaced but rarely resorbed. It causes less bone expansion than in other benign tumors.

Differential diagnosis

Cases

Courtesy of Prof. CJ Nortje, University of Stellenbosch, S. Africa.

Two cases of Odontogenic myxoma.