There are several kinds of odontogenic cysts with a range of clinical significance.
most common, associated with pulpal injury associated with trauma or dental caries
peri-apical cyst remaining after tooth extracted
along the roots of mandibular cuspids or bicuspids
polycystic variant of lateral peri-odontal cyst
partially erupted mandibular third molar
surrounds the crown of a nonerupted permanent tooth, most often a third molar or maxillary cuspid
bluish or bluish-red dome-shaped lesion affecting an erupting deciduous tooth
congenital, with cystic degeneration of the dental lamina
nevoid basal cell cancer syndrome (multiple basal cell carcinomas, skeletal anomalies, dyskeratotic pitting of hands and feet, ectopic soft tissue calcifications, ovarian fibromas, lymphatic mesenteric cysts, hypertelorism, medulloblastoma, etc)
Gorlin cyst; mandibular cyst with ghost cells, seen as a cystic radiolucency with areas of opacification (calcifications)
glandular odontogenic (sialo-odontogenic)
usually a multi-locular radiolucencies in the anterior mandible
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