- 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.
- Often asymptomatic.
- Failure of eruption of a permanent tooth may be the first presenting sign. It is commonly found occlusal to the involved tooth.
- Well defined. The internal aspect is more radiopaque compared to the normal bone.