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33 Cards in this Set
- Front
- Back
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what are the three conditions that must be present for an infection to occur |
1) susceptible host 2) pathogen 3) portal of entry |
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a microorganism capable of causing disease |
pathogen |
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a substance that inhibits bacterial growth |
antiseptic |
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the absence of pathogens |
asepsis |
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pathogens present in blood that cause disease in humans |
bloodborne pathogen |
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to inhibit or destroy pathogens; spores are NOT killed |
disinfect |
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a specific inicident that involves contact with blood or potentially infectious materials |
exposure incident |
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waste that consists of blood, blood products, contaminated sharps, or other microbiologic products |
infectious waste |
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contact with blood or other infectious materials that involves the skin, eyes, or mucous membranes |
occupational exposure |
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exposure to blood or other infectious materials that results from piercing or puncturing the skin barrier |
parental exposure |
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any object that can penetrate skin |
sharp |
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to destroy all pathogens, including the highly resistant bacterial and mycotic spores |
sterilize |
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a method of infection control in which all human blood and certain body fluids are treated as if known to be infectious for HIV, HBV, and other bloodborne pathogens |
universal precautions |
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forceps, scalpel, burs, bone chisels and scalers are all examples of what type of instruments |
critical instruments (not used in dentistry) |
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intruments that penetrate soft tissue or bone and must be sterilized |
critical instruments |
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instruments that contact but do not penetrate soft tissue or bone and must be sterilized |
semi critical instruments |
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x-ray film holding devices, mirrors, amalgam condensors and burs are all examples of what type of instruments |
semi critical instruments |
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instruments that do no come into contact with mucous membranes and have little risk of transmitting infection |
noncritical instruments |
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PID, exposure button, x-ray control panel, and the lead apron are all examples of what type of instruments |
noncritical instruments |
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what type of disinfection is required for semicritical instruments |
high-level disinfection |
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what type of disinfection is required for non critical instruments |
intermediate or low-level disinfection |
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Intermediate disinfection |
contaminated surfaces |
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low-level disinfection |
floors/wallas |
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what are the three sterilization methods |
autoclave (steam under pressure) dry heat chemical vapour |
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what do intraoral films examine in the mouth? |
teeth and supporting structures |
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what are the three types of intraoral radiographs |
1) periapical examination 2) interproximal examination 3) occlusal examination |
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used to examine the entire tooth and supporting bone, using the paralleling and bisecting technique |
periapical examination |
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used to examine the crowns of both the maxillary and mandibular teeth on a single film, using the bitewing technique |
interproximal examination |
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used to examine large areas of the maxilla or the mandible on one film, using the occlusal technique |
occlusal examination |
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complete set of radiographs that show tooth-bearing areas, dentulous areas and edentulous areas |
Complete Mouth Radiographic Series (CMRS) |
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how many milametres should periapical radiographs show beyond the root apices |
2-3mm |
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what must bite wing radiographs show |
open contacts |
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examines the skull or jaws and film is placed outside the mouth using panoramic or cephlometric radiographs |
extraoral radiographic examination |
