ameloblastic odontoma


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odontoma

 [o″don-to´mah]
any odontogenic tumor, especially a composite odontoma.
ameloblastic odontoma a rare, slow-growing, mixed tumor of odontogenic origin that combines the characteristics of composite odontoma and ameloblastoma.
composite odontoma one consisting of both enamel and dentin in an abnormal pattern.
radicular odontoma one associated with a tooth root, or formed when the root was developing.

am·e·lo·blas·tic o·don·to·ma

a benign mixed odontogenic tumor composed of an undifferentiated component histologically identical to an ameloblastoma and a well-differentiated component identical to an odontoma; appears as a mixed radiolucent-radiopaque lesion and presents clinically as an ameloblastoma.
Synonym(s): odontoameloblastoma

ameloblastic fibroma

A benign, usually solid, rarely cystic tumour primarily of children and adolescents, composed of strands and buds of ameloblastoma-like epithelial cells in a dense, cell-free connective tissue stroma. Mitoses are rare. Multiple sections are needed to exclude dentine which, if present, would designate the lesion ameloblastic fibro-dentinoma.

am·e·lo·blas·tic o·don·to·ma

(am'ěl'ō-blas'tik ō'don-tō'mă)
A benign mixed odontogenic tumor composed of an undifferentiated component histologically identical to an ameloblastoma and a well-differentiated component identical to an odontoma.

ameloblastic odontoma

A tumour of tooth-forming tissue. Also known as odontoblastoma.

am·e·lo·blas·tic o·don·to·ma

(am'ěl'ō-blas'tik ō'don-tō'mă)
Benign mixed odontogenic tumor composed of an undifferentiated component histologically identical to an ameloblastoma and a well-differentiated component identical to an odontoma; appears as a mixed radiolucent-radiopaque lesion and presents clinically as an ameloblastoma.
Synonym(s): odontoameloblastoma.