Lecture Summary: Reactive Disorders

Question 1

linea alba

• _______ in the buccal mucosa at the level of the ______
• cause = ______
• Tx or no Tx?

Answer 1

• white line, occlusal plane
• pressure, friction, sucking trauma
• No Tx

Question 2

shredded-appearing lesion on buccal mucosa (can also occur on tongue)

Answer 2

morsicatio buccarum

Question 3

erosion of upper layer of mucosa, usually showing yellowing fibrin at center surrounded by red mucosa

Answer 3

traumatic ulceration

Question 4

• cause of morsicatio buccarum

- Tx or no Tx?

Answer 4

• habitual chewing of the cheek (stress, psychological)

- No need for Tx

Question 5

• cause of traumatic ulceration

- Tx or no Tx?

Answer 5

• accidental trauma, ill fitting dentures

- if ulcer persists for a month+ after removing source of irritation, must biopsy to rule of malignancy

Question 6

four causes of burns

Answer 6

1. electricity
2. heat
3. chemicals used by patients
4. chemicals used by dentists

Question 7

Inflammation of salivary gland ducts; appears as red, raised papules on palate

Answer 7

nicotine stomatitis

Question 8

• nicotine stomatitis cause

- Tx or no Tx?

Answer 8

• caused not by nicotine but by heat

- No need for Tx

Question 9

blue-grey pigmented lesion on or adjacent to alveolar ridge

Answer 9

amalgam tattoo

Question 10

cause of amalgam tattoo

Answer 10

migration of amalgam material into tissue

Question 11

brown discoloration on gingiva, floor of mouth, buccal mucosa, palate, lips in heavy smoker

Answer 11

smoker’s melanosis

Question 12

cause of smoker’s melanosis

Answer 12

accumulation of melanin (which helps detoxify nicotine and other bad stuff)

Question 13

fast-growing brown patch on buccal mucosa

Answer 13

melanoacanthoma

Question 14

melanocanthoma

• more common in _____. seen almost exclusively in ______
• cause = _____

Answer 14

• females, black people

- unknown

Question 15

actinic means….

Answer 15

sun induced

Question 16

Cheilitis means…

Answer 16

inflammation of the lips

Question 17

initially, this is just blurring of the margin between lip and skin; later see scaling, redness, and
ulceration.

Answer 17

actinic cheilitis

Question 18

actinic cheilitis is _______, but can easily turn _____

Answer 18

not malignant, malignant

Question 19

Small, firm bump on the gingiva or any place susceptible to trauma (e.g., buccal mucosa and
tongue due to chronic biting)

Answer 19

peripheral fibroma

Question 20

options for peripheral fibroma

Answer 20

leave it alone or surgically remove if it’s annoying the patient

Question 21

• dark red, fast-growing, ulcerated gingival nodule.
• more common in younger patients; sometimes seen in pregnancy.
• not really a granuloma

Answer 21

pyogenic granuloma

Question 22

options for pyogenic granuloma

Answer 22

may spontaneously disappear; otherwise, remove surgically

Question 23

• red to purple gingival nodule

- actually a granuloma

Answer 23

peripheral giant cell granuloma

Question 24

options for peripheral giant cell granuloma

Answer 24

needs to be removed surgically all the way down to the underlying bone

Question 25

• more common in younger patients
• red, ulcerated gingival nodule
• calcifications or bony tissue
• not really a fibroma

Answer 25

peripheral ossifying fibroma

Question 26

options for peripheral ossifying fibroma

Answer 26

needs to be removed surgically all the way down to the underlying bone

Question 27

fluid-filled, dome-shaped lesion usually on the lower lip; caused by traumatic rupture of salivary gland duct, resulting in spillage of mucin into adjacent
tissue

Answer 27

mucocele

Question 28

• a cyst is just a fluid-filled sac-like structure lined by epithelium.
• salivary duct cysts form adjacent to salivary ducts and contain mucin.

Answer 28

salivary duct cyst

Question 29

the abnormal formation of stones (calcium

deposits) within salivary glands.

Answer 29

sialolithiasis