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Chapter 19 dental 1 review
Terms in this set (14)
a place where pathogens/microorgansms normally live and reproduce
disease causing organisms
refers to organic materials such as blood and saliva
Symptoms are often quite severe and usually appear soon after the initial infection occurs.
Those in which the microorganism is present for a long period; some may persist for life. ex. Hep C, or HIV
A persistent infection in which the symptoms come and go. Cold sores (oral herpes simplex) and genital herpes are latent viral infections.
Caused by normally nonpathogenic organisms and occur in individuals whose resistance is decreased or compromised.
By coming into direct contact with the infectious lesion or infected body fluids (e.g., blood, saliva, semen, vaginal secretions).
Transfer of organisms to a susceptible person can occur by, for example, handling contaminated instruments or touching contaminated surfaces and then touching the face, eyes, or mouth.
Diseases can be transmitted during a dental procedure by splashing the mucosa (mouth or eyes) or nonintact skin with blood or blood-contaminated saliva.
splash or spatter
means "through the skin"
occurs through direct or indirect contact with blood and other body fluids.
occurs by contaminated food that has not been cooked or refrigerated properly or water that has been contaminated with human or animal fecal material.
food and water transmission
Many pathogens are present in fecal matter. If proper sanitation procedures, such as hand washing after use of the toilet, are not followed, these pathogens may be transmitted by touching another person or by contact with surfaces or food.
fecal oral transmission
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