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Infection Control

pre-clinic

QuestionAnswer
1equipment instruments sterilization 2prevent cross contamination 3protect patient's health and health of co-worker
Identify 3 goals of an infection control program 1protect patient 2protect dental team 3 eliminate cross contamination
6 elements of infectious process 1infectious agent 2 reservoir 3 mode of escape 4mode of transmission 5mode of entry 6 host susceptibility
identify 4 factors influencing infection development 1# of organism 2 virulence of organisms 3host immune status 4general physical health of host
identify 4 factors that alter patients normal defenses 1abnormal physical conditions 2systemic disease 3drug therapy 4prosthesis
3 responsibility of DHCW 1prevent cross contamination 2 provide sterile instruments for patient care 3 protect patient's health and health of co-worker
3 causative or infectious agents 1viruses 2 bacteria 3 fungi
4 examples of reservoirs people, equipment, instruments, water biofilm
5modes of escape or port of exit blood, saliva, bodily secretions, sneezing and coughing, speaking
6 modes of transmission direct, indirect, airborne, autogenous, waterborne (biofilm), dust-borne
5 mode of entry broken skin, mucous membrane, eyes, respiratory tract, GI tract
3 ways to decrease susceptibitly for acquiring infection 1ability to resist infection 2primary barrier-intact skin & mucous membrane 3immunity-natural or acquired
ex of 3types dust-borne organisms tetanus bacillus, staph aureus, enteric bacteria
how do infectious microorganisms reach dust from patients? by way of large airborrne particles
how can dust-borne organisms cross contaminate? by getting on instruments and hands of dental personnel
how do we control contamination from dust-borne particles? surface disinfection
how are airborne particles classified by size? as aerosols or spatter
define aerosols biologic contaminants that occur in solid or liquid form, are invisible, and remain suspended in air for long periods
what is the size of aerosol/ spatter? aerosols less that 50micrometers /spatter greater than 50
how is spatter noticably different from aerosols? it may be visible, particularly after it has landed on skin, hair, clothing, or environmental surfaces where gross contamination can result
where do spatter and aerosols originate? during breathing, speaking, coughing, sneezing
8 ways to interrupt the chain of infection 1preprocedural rinse 2antimicrobial agents 3hand washing 4PPE of DHCW 5self contained water 6disposable equipment 7sterilization of instruments 8 patient hx
define standard (universal) precautions treat all bodily fluids as if they were infected to protect DHCP and their patients from pathogens from contact with blood, all bodily fluids,nonintact skin, mucous membranes
define PPE clothing or equipment worn by employee to protect against hazard
what actions do we perform that increase the proportions of aerosols air spray, air-water spray, handpiece activity, ultrasonic scaling
what can we employ chairside to interrupt transmission of airborne infection chairside? use rubber dam, HVAC, manual instrumentation as much as possible
name some of the common pathogens that may be transmitted by way of the oral cavity HBV, HCV, HIV, chickenpox, cold, mono, flu, TB, candidiasis, herpes, strep, staph, gonorrhea, syphillis, measles, mumps, pneumonia
3 types of host immunity natural (born with), active (live innoculation), passive(dead virus)
other recommendations for preventing transmission of disease x4 restricting employees duties during times of illness, reviewing pt health hx, intra & extra oral exam, pre-procedure rinse
Created by: ShellyA&P
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