Preclinic Dental Hygiene - Final review
latest 2024 update A+ graded
Aerosols <50 micrograms
-are invisible
-may suspend in air for long periods
Spatter >50 micrograms
-are visible
-lands on skin, hair, clothing, or environmental surfaces
HIV (AIDS) -transmitted by blood, sexual contact
-vaccine is in progress
CD4 more than 200 to be treated
HBV (Type B) -transmitted by blood, saliva & all bodily fluids, sexual contact, perinatal
-vaccine available (3 shots spread out)
HCV (Type C) - viral -transmitted by blood, perinatal, NEEDLES
-takes 2wk-6 months
-1 wk before onset of symptoms
-NO VACCINE
HDV - viral -coinfection with HBV (Type B)
-transmitted by blood, sexual contacts, perinatal
-takes 2-8wk
-all phases of active infection
-HBV vaccine
Hepatitis A - viral -transmitted fecal orally
vaccine available (2 shots 6 months apart)
HSV-1 herpes labialis (cold sore)
HSV-2 genital herpes
, HPV genital warts and cervical cancer
HHV-3 (VZV)varicella zoster - (chicken pox, shingles)
HHV-4 (EBV)epstein bar (mononucleosis)
HHV-5 (CMV) human cytomegalovirus
cover the nose & mouth with >95% filtration. Surgical mask
Personal Protective Equipment (PPE) -clinical attire & gown
-face mask
-protective eyewear
-gloves
Sequence to Put On PPE -gown
-mask
-goggles
-gloves
Eyewash Station 20 minute flush required by OSHA
Handwash -nonantimicrobial soap with a minimum of 15-20 seconds
-fingers, hands, & wrists
Disinfectant an agent that destroys microorganisms but may not kill bacterial spores
Sanitation housekeeping - number of inanimate objects is reduced; does not imply freedom
from microorganisms
Sterilization process by which all forms of life are destroyed by physical or chemical means
Critical -penetrate soft tissue or bone
-sterilize or disposable (needles, curets, explorers, & probes)
Semicritical -touch intact mucous membrane, oral fluids - does not penetrate (mirror)
-sterilize after each use
Noncritical -does not touch mucous membrane, only contact unbroken epithelium
-cleaning disinfection (light handles, x-ray machine parts, & safety eyewear)
Environmental-no contact with patient surfaces
-cleaning, low disinfection (counter tops, equipment, housekeeping surface)
Run water through tubing __ seconds before & between each patient. flushing for 30
latest 2024 update A+ graded
Aerosols <50 micrograms
-are invisible
-may suspend in air for long periods
Spatter >50 micrograms
-are visible
-lands on skin, hair, clothing, or environmental surfaces
HIV (AIDS) -transmitted by blood, sexual contact
-vaccine is in progress
CD4 more than 200 to be treated
HBV (Type B) -transmitted by blood, saliva & all bodily fluids, sexual contact, perinatal
-vaccine available (3 shots spread out)
HCV (Type C) - viral -transmitted by blood, perinatal, NEEDLES
-takes 2wk-6 months
-1 wk before onset of symptoms
-NO VACCINE
HDV - viral -coinfection with HBV (Type B)
-transmitted by blood, sexual contacts, perinatal
-takes 2-8wk
-all phases of active infection
-HBV vaccine
Hepatitis A - viral -transmitted fecal orally
vaccine available (2 shots 6 months apart)
HSV-1 herpes labialis (cold sore)
HSV-2 genital herpes
, HPV genital warts and cervical cancer
HHV-3 (VZV)varicella zoster - (chicken pox, shingles)
HHV-4 (EBV)epstein bar (mononucleosis)
HHV-5 (CMV) human cytomegalovirus
cover the nose & mouth with >95% filtration. Surgical mask
Personal Protective Equipment (PPE) -clinical attire & gown
-face mask
-protective eyewear
-gloves
Sequence to Put On PPE -gown
-mask
-goggles
-gloves
Eyewash Station 20 minute flush required by OSHA
Handwash -nonantimicrobial soap with a minimum of 15-20 seconds
-fingers, hands, & wrists
Disinfectant an agent that destroys microorganisms but may not kill bacterial spores
Sanitation housekeeping - number of inanimate objects is reduced; does not imply freedom
from microorganisms
Sterilization process by which all forms of life are destroyed by physical or chemical means
Critical -penetrate soft tissue or bone
-sterilize or disposable (needles, curets, explorers, & probes)
Semicritical -touch intact mucous membrane, oral fluids - does not penetrate (mirror)
-sterilize after each use
Noncritical -does not touch mucous membrane, only contact unbroken epithelium
-cleaning disinfection (light handles, x-ray machine parts, & safety eyewear)
Environmental-no contact with patient surfaces
-cleaning, low disinfection (counter tops, equipment, housekeeping surface)
Run water through tubing __ seconds before & between each patient. flushing for 30
