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10 Cards in this Set

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ingestion of contaminated food or water (microorganism or their products)
How are most diseases of the digestive system transmitted?
Handwashing
Sewage treatment
fly (and cockroach) control
disinfecting drinking water
proper preservation of food.
How can disease of the digestive system be controlled?
Dental Caries (Tooth decay)
Bacterial disease of the mouth

genus: strep.

Adhere to teeth by glucan/dextran -> dental plaque
Streptococcus
(Dental caries)
Ferments sugar -> Lactic and other acids -> dissolves tooth enamel and dentin.

Name genus and disease it causes.
Prevention of dental caries
Brushing
Flossing
Flouride
Decrease Sucrose intake
Peridontal disease
Professional cleaning
check - ups
Peridontal disease
Inflammation and degeneration of the gums, and supporting bone.
Acute Necrotizing Ulcerative Gingivitis
Name the disease with the common name, Trench mouth.
Acute Necrotizing Ulcerative Gingivitis
Name the disease that is caused by the genus, Prophyromonas?
Prophyromonas
Bacteriodes
Name the 2 genuses that causes the disease Acute Necrotizing Ulcerative Gingivitis?
Acute Necrotizing Ulcerative Gingivitis
Ulcers and Necrosis of periodontal tissues -> tooth loss

Predisposing factors:
Poor oral hygiene
stress
heavy smoking
malnutrition