Oral Cavity Flashcards
What are the clinical terms used for a canker sore?
Aphthous ulcer, recurrent aphthous stomatitis
Canker sores affect what percent of the population?
40%
Describe the appearance of a canker sore?
Shallow ulceration
How long does it take for a canker sore to heal on its own?
7-10 days
Are aphthous ulcers contagious?
No
What is the age and gender bias for recurrent aphthous stomatitis?
Females less than 20 years old
What are risk factors for canker sores?
Genetics, IBD (celiac disease), Behçet disease
What things can be triggers for canker sores?
Smoking, stress, trauma, fever, certain foods
What is the treatment for a canker sore?
Avoid causative agents, NSAIDs, corticosteroids, vitamin B12 (cobalamin)
What is the term for the development of oral lesions due to the herpes simplex virus (HSV)?
Herpetic stomatitis
At what age is one more likely to have the initial infection of herpetic stomatitis?
2-4 years (young children)
Is herpetic stomatitis largely symptomatic or asymptomatic?
Asymptomatic (80%)
What percentage of those with herpetic stomatitis go on to develop acute herpetic gingivostomatitis?
10-20%
Why are most adults carriers for the herpes simplex virus?
Latent infection that lies dormant
Where does the herpes simplex I virus lie dormant?
Trigeminal ganglion (C.N. V)
What are the most common locations for oral herpetic lesions?
Labial, nasal, buccal, gingival, hard palate
Does every HSV-1 infection affect only the orofacial region, and does every HSV-2 infection affect only the genital region?
NO (may infect either location)
What is the clinical term for the infection presented in the genital region by the herpes simplex 2 virus?
Herpes genitalis
What kinds of things can provoke a herpes simplex infection to recur?
UV light, pyrexia, cold, trauma, URTI, pregnancy
How long does it take for the vesicles of a herpes simplex infection to heal on its own?
7-10 days
Is there a cure for herpes simplex?
No (antivirals used to reduce replication)
In what condition can a herpes simplex infection become life-threatening?
Herpesviral encephalitis (when spread to the brain)
Herpesviral encephalitis most commonly develops from which herpes virus?
HSV-1
What is the name of the antiviral used to treat herpes simplex infections?
Valtrex
What is the most common oral fungal infection?
Oral candidiasis
What pathogen is responsible for oral candidiasis?
Candida albicans
What is the clinical name for thrush?
Pseudomembranous candidiasis
What color is thrush?
Gray-to-white (erythema underneath when scraped off)
What are risk factors for developing thrush?
Immunodeficiency, broad-spectrum antibiotics, diabetics
Pseudomembranous candidiasis is largely associated with what major disease of immunodeficiency?
AIDS
What conditions are on the differential diagnosis list for oral candidiasis?
Leukoplakia, candidemia, oral cancer
Thrush affects what percent of newborns in the U.S.?
37%
What is the most common location for oral proliferative lesions?
Along bite line
What is an oral fibroma?
Reactive nodular mass resulting from chronic irritation that led to hyperplasia and fibrosis
What are the two forms of oral proliferative lesions?
1 Fibroma
2 Pyogenic granuloma
What part of the oral cavity is affected by pyogenic granulomas?
Gingiva
What is a pyogenic granuloma?
Red-to-purple vascular mass affecting the gingiva
Pyogenic granulomas are seen among what populations?
Pregnant women and also children