Odontoma (radiopacity)

Features

  • Relatively common lesion
  • Two types: complex and compound odontoma.
  • Complex odontoma is composed of haphazardly arranged dental hard and soft tissues.
  • Compound odontoma is composed of many small ‘denticles’.
  • It usually occurs in young patients.
  • Usually asymptomatic.
  • Failure of eruption of a permanent tooth may be the first presenting symptom.It is commonly found occlusal to the involved tooth.
  • Well defined. The internal aspect is very radiopaque in comparison to bone.

Differential diagnosis

Cases

compound odontoma in a 16 years old patient, (ACTA, Amsterdam)

Different cases of odontoma

Different cases of odntoma (CBCT images)

A case of complex odontoma

Complex odontoma causing displacement and impaction of the lower left canine

Complex odontoma causing displacement and impaction of the lower right incisor.