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Questions and Answers
What is the most common odontogenic tumor?
Ameloblastoma
What are the clinical features of multicystic ameloblastoma?
Race: Black, Gender: ♂= ♀, Age: 30-50 y, Site distribution: 70% 10% 20%, Slowly growing painless hard bony swelling, Egg-shell crackling, Adjacent teeth displacement, mobility, root resorption, Paresthesia of lips
How does ameloblastoma manifest radiographically?
Well-defined multilocular radiolucencies, Roots of adjacent teeth are resorbed, Teeth displacement, Honeycombed appearance, Soap-bubble appearance
What are the possible origins of ameloblastoma?
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What are the two main types of ameloblastoma seen microscopically?
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Study Notes
Odontogenic Tumors
- Ameloblastoma is the most prevalent odontogenic tumor, known for its aggressive nature.
Clinical Features of Multicystic Ameloblastoma
- Typically presents as a painless swelling in the mandible or maxilla.
- May cause displacement of teeth and resorption of adjacent tooth roots.
- Can occur in a wide age range, commonly seen in young adults.
Radiographic Manifestation of Ameloblastoma
- Appears as well-defined, multilocular (soap bubble or honeycomb) radiolucency on imaging.
- Often associated with impacted teeth and can cause cortical bone expansion.
Possible Origins of Ameloblastoma
- May derive from remnants of the dental lamina or enamel organ.
- Possible contributions from epithelial cells in associated or adjacent tissues.
Microscopic Types of Ameloblastoma
- Two primary histological variants are:
- Follicular ameloblastoma: characterized by the presence of well-formed dental follicles.
- Plexiform ameloblastoma: exhibits a more diffuse architecture without distinct follicles.
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Description
Test your knowledge on Ameloblastoma, the most common odontogenic tumor of the jaws. Learn about its definition, characteristics, and possible causes.
