Lecture 7- Gingival diseases 1 Flashcards
gingival lesions of specific bacterial origin (not from the oral cavity) involve which kinds of bacteria?
neisseria gonorrhea
treponema pallidum
streptococci
mycobacterium chelonae
clinical presentation of gingival lesions of specific bacterial origin
fiery red edematous painful ulcerations
asymptomatic chancres
mucous patches
atypical non-ulcerated, highly inflamed gingivitis
diagnosis of gingival lesions of specific bacterial origin
biopsy
microbiologic examination
gingival lesions of viral origin- which viruses do we see?
herpes simplex virus type 1 and 2
varicella-zoster virus
Primary herpetic gingivostomatiitis is through the …. where the virus penetrates a … ending and travels to the …
oral mucosal epithelium
neural
trigeminal ganglion
symptoms of primary herpetic gingivostomatitis
painful and severe gingivitis with redness
ulcerations with serofibrinous exudate
edema accompanied by stomatitis
for PHG, incubation period is…
1 week
characteristics of PHG, formation of … which rupture and coalesce and leave ….. ulcers
vesicles
fibrin-coated
healing for PHG is … days
10-14
no treatment except topical tx for symptoms
there are recurrent herpetic infections in … % of individuals with primary infection
20-40%
recurrent herpetic infections are called … because they happen on the vermillion border or on skin adjacent to it
herpes labialis
the herpes-zoster virus presents as small ulcers on … , … or … and the lesions are…
tongue, gingiva, palatal
unilateral
the herpes-zoster remains latent in the ….
dorsal root ganglion
initial symptoms of herpes-zoster
pain and paresthesia
tx for herpes-zoster
soft diet, rest, atraumatic plaque removal and diluted chlorhexidine rinses
3 most common fungal infections that may affect oral cavity
candidosis
linear gingival erythema
histoplasmosis
linear gingival erythema interestingly doesn’t …
bleed
hereditary gingival fibromatosis is a defect in the …. gene on chromosome…
Son of Sevenless-1
2p21-p22
Hereditary gingival fibromatosis may be located on chromosome … in human
2
possible mechanism of hereditary gingival fibromatosis is that … favors the accumulation of ECM
TGF-B1
hereditary gingival fibromatosis may interfere or prevent
tooth eruption
hereditary gingival fibromatosis is characterized by diffuse….
gingival enlargement
Type I allergic reactions are the … type which are mediated by …
immediate
IgE
Type IV allergic reactions are the … type and are mediated by …
delayed
T-cells