Odontogenic Keratocyst
ODONTOGENIC KERATOCYST
- OKC arises from residual strands of epithelium from dental lamina.
- Forms a cyst in the jaw in tooth bearing area.
- Lined by keratinized squamous epithelium.
- It is locally aggressive and high rate of recurrence
- OKC –> ameloblastoma –> malignant lesion (SCC)
Clinical features-
- Patient between 10- 40 years are affected.
- Common in males.
- Site 3rd molar tooth (posterior mandible)
- Pre malignant jaw cyst
Treatment-
- Osteotomy with enucleation with chemical cautery (Cornoy’s sign)
- Recurrence rates for inadequate removed lesions can reach 60%.
Exam Important
Clinical features-
- Patient between 10- 40 years are affected.
- Common in males.
- Site 3rd molar tooth (posterior mandible)
- Pre malignant jaw cyst
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