1. Radicular cyst is the most common odontogenic cystic lesion of inflammatory origin. 2. The next most common form of odontogenic infection is the periodontal abscess. 3. Most " primordial cysts " are actually Keratocyst odontogenic tumors ( KOT's ). 4. The "'glandular odontogenic cyst "'is a rare odontogenic cyst. 5. The "'glandular odontogenic cyst "'is a rare odontogenic cyst. 6. Micrograph showing keratocystic odontogenic tumour, a common finding in nevoid basal cell carcinoma syndrome. 7. Ludwig's angina and cavernous sinus thrombosis are rare but serious complications of odontogenic infections. 8. 6 ) Mast cells, Remnants of Odontogenic Epithelium & occasionally Satellite microcysts are also present. 9. Severe trismus may occur in when the muscles of mastication are involved in an odontogenic infection, making any surgical treatment impossible. 10. Usually drainage occurs via the periodontal pocket, or else the infection may spread as a cellulitis or a purulent odontogenic infection.
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