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The Daily Insight

What is the difference between odontoma and supernumerary tooth?

Author

Sophia Hammond

Updated on February 27, 2026

What is the difference between odontoma and supernumerary tooth?

Odontomas are classified under supernumerary according to the Howard classification. [8] Compound odontomas are more common and affect the anterior maxilla, and odontomas are associated mostly with permanent and rarely with deciduous teeth. [9] The etiology is not completely understood.

What is Ameloblastic fibroma?

Ameloblastic fibroma (AF) is an extremely rare true mixed benign tumor that can occur either in the mandible or maxilla.[1] It is frequently found in the posterior region of the mandible, often associated with an unerupted tooth.[2] It usually occurs in the first two decades of life with a slight female predilection.

What is an Odontomas?

Odontomas are the most common odontogenic tumours. They are considered to be hamartomas rather than neoplasms, and are composed of the tissues native to teeth: enamel, dentin, cementum and pulp tissue. They develop from epithelial and mesenchymal components of the dental apparatus, producing enamel and dentin.

Is Odontome and odontoma same?

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.

Should you remove supernumerary teeth?

Surgical removal of supernumerary tooth in primary dentition is usually not recommended, because of the risk of displacing permanent tooth during operation.

Does an Odontoma need to be removed?

While an odontoma is a tumor, it’s a benign one and not uncommon. That alone is great news! However, odontomas usually require surgical removal. They’re made up of dental tissue that resembles abnormal teeth or calcified mass that invade the jaw around your teeth and could affect how your teeth develop.

What does Ameloblastic mean?

Definition of ameloblast : one of a group of columnar epithelial cells that produce and deposit enamel on the surface of a developing vertebrate tooth.

Is Ameloblastic fibroma malignant?

Ameloblastic fibrosarcoma (AFS) is a rare malignant odontogenic tumor. It can arise de novo, however one-third of cases may arise from a recurrent ameloblastic fibroma, in which case they appear to present at an older age.

Do Odontomas have to be removed?

Are Odontomas asymptomatic?

Most odontomas are asymptomatic and are discovered during routine radiographic investigations and can cause disturbances in the eruption of the teeth, most commonly delayed eruption or deflection.

What are Ameloblasts?

What do Odontoblasts do?

Odontoblasts are specialized cells that produce dentin and exhibit unique morphological characteristics; i.e., they extend cytoplasmic processes into dentinal tubules.