Lecture 7- Gingival diseases 1 Flashcards

1
Q

gingival lesions of specific bacterial origin (not from the oral cavity) involve which kinds of bacteria?

A

neisseria gonorrhea

treponema pallidum

streptococci

mycobacterium chelonae

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2
Q

clinical presentation of gingival lesions of specific bacterial origin

A

fiery red edematous painful ulcerations

asymptomatic chancres

mucous patches

atypical non-ulcerated, highly inflamed gingivitis

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3
Q

diagnosis of gingival lesions of specific bacterial origin

A

biopsy

microbiologic examination

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4
Q

gingival lesions of viral origin- which viruses do we see?

A

herpes simplex virus type 1 and 2

varicella-zoster virus

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5
Q

Primary herpetic gingivostomatiitis is through the …. where the virus penetrates a … ending and travels to the …

A

oral mucosal epithelium

neural

trigeminal ganglion

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6
Q

symptoms of primary herpetic gingivostomatitis

A

painful and severe gingivitis with redness

ulcerations with serofibrinous exudate

edema accompanied by stomatitis

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7
Q

for PHG, incubation period is…

A

1 week

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8
Q

characteristics of PHG, formation of … which rupture and coalesce and leave ….. ulcers

A

vesicles

fibrin-coated

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9
Q

healing for PHG is … days

A

10-14

no treatment except topical tx for symptoms

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10
Q

there are recurrent herpetic infections in … % of individuals with primary infection

A

20-40%

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11
Q

recurrent herpetic infections are called … because they happen on the vermillion border or on skin adjacent to it

A

herpes labialis

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12
Q

the herpes-zoster virus presents as small ulcers on … , … or … and the lesions are…

A

tongue, gingiva, palatal

unilateral

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13
Q

the herpes-zoster remains latent in the ….

A

dorsal root ganglion

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14
Q

initial symptoms of herpes-zoster

A

pain and paresthesia

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15
Q

tx for herpes-zoster

A

soft diet, rest, atraumatic plaque removal and diluted chlorhexidine rinses

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16
Q

3 most common fungal infections that may affect oral cavity

A

candidosis

linear gingival erythema

histoplasmosis

17
Q

linear gingival erythema interestingly doesn’t …

A

bleed

18
Q

hereditary gingival fibromatosis is a defect in the …. gene on chromosome…

A

Son of Sevenless-1

2p21-p22

19
Q

Hereditary gingival fibromatosis may be located on chromosome … in human

A

2

20
Q

possible mechanism of hereditary gingival fibromatosis is that … favors the accumulation of ECM

A

TGF-B1

21
Q

hereditary gingival fibromatosis may interfere or prevent

A

tooth eruption

22
Q

hereditary gingival fibromatosis is characterized by diffuse….

A

gingival enlargement

23
Q

Type I allergic reactions are the … type which are mediated by …

A

immediate

IgE

24
Q

Type IV allergic reactions are the … type and are mediated by …

A

delayed

T-cells