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Odontoma
An odontoma, also known as an odontome, is a benign tumour linked to tooth development. Specifically, it is a dental hamartoma, meaning that it is composed of normal dental tissue that has grown in an irregular way. It includes both odontogenic hard and soft tissues. As with normal tooth development, odontomas stop growing once mature which makes them benign.
The average age of people found with an odontoma is 14. The condition is frequently associated with one or more unerupted teeth and is often detected through failure of teeth to erupt at the expected time. Though most cases are found impacted within the jaw there are instances where odontomas have erupted into the oral cavity.
There are two main types: compound and complex.
In addition to the above forms, the dilated odontoma is an infrequent developmental alteration that appears in any area of the dental arches and can affect deciduous, permanent and supernumerary teeth. Dens invaginatus is a developmental anomaly resulting from invagination of a portion of crown forming within the enamel organ during odontogenesis. The most extreme form of dens invaginatus is known as a dilated odontoma.
There are two types of lesions which are regarded as complex odontomas with a prominent soft tissue component resembling ameloblastic fibroma. With similar presentation and treatment outcomes to complex odontomas. These lesions were poorly defined previously and were removed as separate entities from the WHO Classification of Head and Neck Tumors (2017). They are now regarded as developing odontomas as histologically there are no differences.
Odontomas are from mixed epithelial and mesenchymal components which are required for tooth development, producing enamel, dentine, cementum and pulp tissue.
Odontomas usually asymptomatic and present as chance radiographic finding, often during childhood and adolescence when teeth do not erupt within the expected timeframe.
Occasionally odontomas can erupt into the mouth and this can lead to acute infections resembling a dental abscess.
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Odontoma
An odontoma, also known as an odontome, is a benign tumour linked to tooth development. Specifically, it is a dental hamartoma, meaning that it is composed of normal dental tissue that has grown in an irregular way. It includes both odontogenic hard and soft tissues. As with normal tooth development, odontomas stop growing once mature which makes them benign.
The average age of people found with an odontoma is 14. The condition is frequently associated with one or more unerupted teeth and is often detected through failure of teeth to erupt at the expected time. Though most cases are found impacted within the jaw there are instances where odontomas have erupted into the oral cavity.
There are two main types: compound and complex.
In addition to the above forms, the dilated odontoma is an infrequent developmental alteration that appears in any area of the dental arches and can affect deciduous, permanent and supernumerary teeth. Dens invaginatus is a developmental anomaly resulting from invagination of a portion of crown forming within the enamel organ during odontogenesis. The most extreme form of dens invaginatus is known as a dilated odontoma.
There are two types of lesions which are regarded as complex odontomas with a prominent soft tissue component resembling ameloblastic fibroma. With similar presentation and treatment outcomes to complex odontomas. These lesions were poorly defined previously and were removed as separate entities from the WHO Classification of Head and Neck Tumors (2017). They are now regarded as developing odontomas as histologically there are no differences.
Odontomas are from mixed epithelial and mesenchymal components which are required for tooth development, producing enamel, dentine, cementum and pulp tissue.
Odontomas usually asymptomatic and present as chance radiographic finding, often during childhood and adolescence when teeth do not erupt within the expected timeframe.
Occasionally odontomas can erupt into the mouth and this can lead to acute infections resembling a dental abscess.