Podcast
Questions and Answers
What is the primary clinical characteristic of Ameloblastic Fibroma?
What is the primary clinical characteristic of Ameloblastic Fibroma?
- Involves rapid aggressive growth
- Causes severe pain
- Results in extensive bone necrosis
- Painless, slow-growing swelling or missing tooth (correct)
Which of the following is NOT a feature of Ameloblastic Fibroma?
Which of the following is NOT a feature of Ameloblastic Fibroma?
- Interferes with tooth eruption in children
- Multilocular shape on radiographic examination
- Presence of dental hard tissue (correct)
- Found commonly in the second decade of life
What is the typical radiographic appearance of an Ameloblastic Fibroma?
What is the typical radiographic appearance of an Ameloblastic Fibroma?
- Smooth, well-defined with a corticated outline (correct)
- Completely radiolucent with no internal structure
- Irregular and poorly defined
- Dense and radiopaque
Which statement accurately describes the histopathology of Ameloblastic Fibroma?
Which statement accurately describes the histopathology of Ameloblastic Fibroma?
Which odontogenic tumor is characterized by the formation of both enamel and dentine?
Which odontogenic tumor is characterized by the formation of both enamel and dentine?
In which region is the Adenomatoid Odontogenic Tumour primarily located?
In which region is the Adenomatoid Odontogenic Tumour primarily located?
What differentiates the Adenomatoid Odontogenic Tumour from a dentigerous cyst?
What differentiates the Adenomatoid Odontogenic Tumour from a dentigerous cyst?
What is the typical appearance of an Adenomatoid Odontogenic Tumour on a radiograph?
What is the typical appearance of an Adenomatoid Odontogenic Tumour on a radiograph?
What is a common clinical characteristic of a Calcifying Odontogenic Cyst/Tumour?
What is a common clinical characteristic of a Calcifying Odontogenic Cyst/Tumour?
Which feature is most indicative of a Calcifying Odontogenic Cyst/Tumour on a radiograph?
Which feature is most indicative of a Calcifying Odontogenic Cyst/Tumour on a radiograph?
What histopathological feature is a diagnostic hallmark of Calcifying Odontogenic Cysts?
What histopathological feature is a diagnostic hallmark of Calcifying Odontogenic Cysts?
Which characteristic differentiates complex and compound odontomas?
Which characteristic differentiates complex and compound odontomas?
What is the primary treatment recommendation for small odontomes?
What is the primary treatment recommendation for small odontomes?
What imaging feature is typically observed in a developing odontome?
What imaging feature is typically observed in a developing odontome?
In the context of histopathology, what typically characterizes ghost cells?
In the context of histopathology, what typically characterizes ghost cells?
What can be an effect of a Calcifying Odontogenic Cyst/Tumour on adjacent teeth?
What can be an effect of a Calcifying Odontogenic Cyst/Tumour on adjacent teeth?
Which characteristic best describes a compound odontoma on a radiograph?
Which characteristic best describes a compound odontoma on a radiograph?
What is a common age range for the occurrence of Calcifying Odontogenic Cysts/Tumours?
What is a common age range for the occurrence of Calcifying Odontogenic Cysts/Tumours?
Flashcards
Ameloblastic Fibroma (AF)
Ameloblastic Fibroma (AF)
A benign odontogenic tumor with epithelial and ectomesenchymal origin, lacking dental hard tissue.
Clinical Features of AF
Clinical Features of AF
Common in the 2nd decade, presents as painless swelling, can affect eruption of teeth.
Radiographic Features of AF
Radiographic Features of AF
Typically multilocular, well-defined and radiolucent with internal radiopaque septa.
Histopathologic Features of AF
Histopathologic Features of AF
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Ameloblastic Fibrodentinoma (AFD)
Ameloblastic Fibrodentinoma (AFD)
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Ameloblastic Fibro-odontome (AFO)
Ameloblastic Fibro-odontome (AFO)
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Adenomatoid Odontogenic Tumor (AOT)
Adenomatoid Odontogenic Tumor (AOT)
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Radiographic Features of AOT
Radiographic Features of AOT
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Calcifying Odontogenic Cyst/Tumour (COC)
Calcifying Odontogenic Cyst/Tumour (COC)
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Ghost Cells
Ghost Cells
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Effects of COC
Effects of COC
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Odontome
Odontome
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Complex Odontome
Complex Odontome
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Compound Odontome
Compound Odontome
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Histopathology of COC
Histopathology of COC
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Dentinoids
Dentinoids
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Effects of Odontome
Effects of Odontome
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Study Notes
Ameloblastic Fibroma (AF)
- Benign odontogenic tumor; lacks hard dental tissue.
- Primarily affects individuals in their 20s.
- Characterized by pain-free, slow-growing swelling, often near missing teeth.
- Common locations: posterior mandible and maxilla.
- Radiographically: multilocular, smooth borders, radiolucent with internal septa, expands the jaw.
Ameloblastic Fibrodentinoma (AFD) & Ameloblastic Fibro-odontome (AFO)
- Previously separate, now classified as developing odontomes.
- AFD: Contains dentin.
- AFO: Includes enamel and dentin.
- Often predominantly soft tissue.
Adenomatoid Odontogenic Tumor (AOT)
- Benign, slow-growing tumor resembling a glandular adenoma.
- Typically arises in the anterior maxilla, often affecting unerupted canines, during the 20s.
- Non-infiltrative, causing painless cortical expansion.
- Radiographically: initially radiolucent, developing calcifications; unilocular.
Calcifying Odontogenic Cyst/Tumor (COC)
- Exists in cystic and solid forms.
- Affects individuals of various ages.
- Commonly observed in the maxilla or mandible, often related to unerupted teeth.
- Typically small (~4 cm).
- Characterized by developing internal calcifications (radiopaque areas).
- Radiographically, initially radiolucent, then showing internal calcifications.
- Notable feature: presence of "ghost cells" (flattened epithelial cells).
Odontome (Odontoma)
- Common benign malformation of teeth, the most differentiated odontogenic tumor.
- Shows perfect histodifferentiation (distinct tissue layers), with variable morphodifferentiation (shape/form).
- Forms tooth-like structures or disorganised dental tissues; well-mineralised.
- Can cause jaw expansion if large.
- Easily treatable in early stages with surgical procedures.
Odontoma Types
- Complex Odontome: disorganised mass of enamel, dentin, and pulp, radiolucent early and becoming radiopaque.
- Compound Odontome: cluster of small tooth-like structures; contains pulp, odontoblasts, dentin, and enamel.
Developing Odontomes
- Previously called ameloblastic fibrodentinoma or fibro-odontoma.
- Characterized by incomplete maturation/mineralisation.
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