Pathology (Bony)

Question 1

what is an odontogenic radiolucency that is mostly asymptomatic, may or may not cause root displacement, and the teeth are non-vital?

Answer 1

Radicular cyst

Periapical cysts that cause inflammation can trigger the rests in the PDL ligaments which leads to these

*remember that these can cause displacement

Question 2

similar to a radicular cysts, but there is a tooth missing?

Answer 2

residual cyst

can be asymptomatic, cause root displacement

Question 3

describe corticated vs sclerotic borders of a lesion

Answer 3

Corticated is generally and uninterrupted radiopaque border with uniform thickness seen in more benign lesions

Sclerotic borders are thicker radiopaque lines that can have varying degrees of thickness in the lesion. usually associated with more inflammatory or possibly malignant pathology

Question 4

in a dentigerous cyst, how many mm’s away from the crown does the lining need to be before we call it a cyst vs a normal follicle?

Answer 4

3mm

a dentigerous cyst is also called follicular cyst…because it stems from the fluid fill follicle causing expansion

Question 5

what are 2 syndromes that likely have supernumerary teeth?

Answer 5

Gorlins syndrome

Cleidocranial dysplasia