normal structures

Question 1

What is Leukoedema?

Answer 1

variation of normal anatomy
found commonly in black and variably in white people
bilateral, diffuse white translucency on the buccal mucosa

Question 2

Leukoedema cause

Answer 2

intracellular oedema of the prickle cell layer

Question 3

frictional keratosis - cause

Answer 3

chronic mechanical, thermal or chemical trauma
e.g. sharp tooth or habit related

Question 4

histopathological features of frictional keratosis

Answer 4

hyperkeratosis
regular epithelial maturation pattern
acanthosis - thickening of prickle cell layer

Question 5

smoker’s palatal keratosis features

Answer 5

palatal mucosa appears white and crazed as a result of keratosis
red spots occur through blockage of minor salivary gland ducts
reversible if smoking habit stopped
not considered a potentially malignant disorder

Question 6

smokers keratosis histology

Answer 6

keratin plugs in duct openings of minor salivary glands

Question 7

fibroepithelial polyp features

Answer 7

typically a firm sessile or perdunculated polyp that arises from the labial and buccal mucosa
- result of mechanical trauma from teeth or dentures

Question 8

fibroepithelial polyp management

Answer 8

can be easily excised under local anaesthesia
- will recur if source of trauma is not removed/corrected

Question 9

denture irritation hyperplasia cause

Answer 9

often forms in relation to overextended flanges or alveolar bone resorption