“
ask yourself three questions: what is the relation to the tooth? Is it a unilocular or multilocular cyst? How old is the patient?
| Cyst characteristic | Differential | |||
|---|---|---|---|---|
| Unilocular, related to the dentition | Periapical/radicular cyst (painful) Dentigerous cyst (at the crown of an unerupted tooth) |
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| Unilocular, not related to dentition | less than 30 years of age: odontogenic keratocyst, simple bone cyst >40 years of age: ameloblastoma, metastases, myeloma |
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| Multilocular cyst | less than 30 years of age: aneurysmal bone cyst or odontogenic keratocyst
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