Chapter 15 lecture 2 Flashcards
What is the recurrence rate of an orthokeratinized odontogenic cyst?
-2%
Where is the most common place that the lateral periodontal cyst occurs?
-Mandibular canine and premolar area and lateral incisor area
What does a lateral periodontal cyst arise from?
-Rests of dental lamina
What age of pts do you find a lateral periodontal cyst in?
40-60
Are teeth vital or non vital in a lateral periodontal cyst?
-Vital
What is a botryoid odontogenic cyst?
-A multilocular (polycystic) lateral periodontal cyst
T/F Recurrence and/or malignant transformation of a lateral periodontal cyst is exceedingly common
False
-Exceedingly rare
What is a calcifying odontogenic cyst aka?
-Gorlin cyst
What did the WHO reclassify the calcifying odontogenic cyst as?
-Calcifying cystic odontogenic tumor
Where do you typically cyst a Gorlin cyst?
-Incisor-canine area equally in the mandible and maxilla
What is the avg age of a pt who gets a calcifying odontogenic cyst?
35
What cyst is associated with an odontoma?
-Calcifying odontogenic cyst
What histopathologic features are associated with a calcifying odontogenic cyst?
-Ghost cells that can calcify
What is a developmental cyst with glandular and/or salivary gland features?
-Glandular odontogenic cyst
What do you see in the radiolucencies in a calcifying odontogenic cyst?
-Radioopacities
What is the avg age of someone who gets a glandular odontogenic cyst?
-50
Do most of the cases of glandular odontogenic cysts occur in the maxillary or mandible?
-Mandible in the anterior jaws
What are four cysts that cross the midline
- Traumatic bone cyst
- Odontogenic keratocyst
- Glandular odontogenic cyst
- Central giant cell granuloma
What percent of Glandular odontogenic cysts will recur?
-30%
What type of resection is used to remove a glandular odontogenic cyst?
-En bloc
What is an inflammatory cyst with uncertain pathogenesis?
-Buccal bifurcation cyst
Where does a buccal bifurcation cyst characteristically develop at?
-Buccal aspect of the mandibular first permanent molar
What age does buccal bifurcation cyst usually occur in?
-children around 10
How many cases of buccal bifurcation cyst are bilateral?
1/2