Ch 15 Flashcards
Where do odontogenic cysts come from
Dental lamina:
Rests of Malasses
Rest of Serres
What is the most common developmental odontogenic cyst
Dentigerous cyst
What is a dentigerous cyst
cyst that originates by separation of the follicle from around the crown of an unerupted tooth due to the accumulation of fluid.
What is an eruption cyst
soft tissue analogue of the dentigerous cyst.
usually in patients younger than 10
What is the recurrence rate of odontogenic keratocyst OKC/KOT
30%
Associated with Gorlin syndrome
patients require follow up after tx
What is the most common location for OKC
posterior mandible and grown in anterior-poterior direction
What is the differential multilocular rl
Odontogenic kerocysts OKC
Giant cell granuloma
What is the histo for an OKC
thin, friable wall
basal cell layer show palisading and hyper chromatic
epithelium is surfaced by wavy parakeratin
may have small satellite cysts
Another name for nevoid basal cell carcinoma syndrome
Gorlin syndrome
What is a gingival cyst of the adult
soft tissue counterpart of the lateral periodontal cyst.
75 % of time around canine/premolar area
Where are 65 % of of Calcifying odontogenic cyst/gorlin cyst found
around the incisor-canine area
md=mx
Adenomatoid odontogenic tumor
Young 10-20
F>m
Mx>Md
Most common odontogenic tumor
Odontoma
What is the most clinically significant odontogenic tumor
Ameloblastoma
What is the most common form of cancer involving bone
Metastatic carcinoma
