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Dental infection control

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Managment of contaminated surfaces in dental clinics

Managment of contaminated surfaces in dental clinics


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  • 1. Egypt
  • 2. Dr.Ashraf Selim Dental Surgeon infection control specialist [email_address]
  • 3. Clinical contact surfaces Light handle, Switches, Dental x-Ray, Drawer handles, containers of dental materials, doorknobs …. Etc. these surfaces can be directly contaminated from patient either by direct spray or spatter generated during dental procedures or by contact with operator gloved hand. The solution is either using of protective barriers Or cleaning and disinfection.
  • 4.  
  • 5. ? ? ? ? ? ? ?
  • 6. A – Protective Barriers These barriers are used to protect surfaces to be contaminated especially those which can not cleaned and disinfected. Made of clear plastic wrap, bags, sheets or tubing OR any other material resist to moisture. After each patient these barriers must be discarded and place clean barriers for the next patient.
  • 7.  
  • 8.  
  • 9.
    • B-Cleaning and Disinfection
    • If barriers can not be used, contact surfaces must be cleaned and disinfected between each patient.
    • Recommended Limited surface disinfectants
    • Combination of Alcohol based /QUATS .
    • Chlorine Dioxide wipes/Foam .
    • Biguanide.
    • Antistatic disinfectant for sensitive items ( oral camera)
    • … ..etc
    • * Never use any Aldehyde for any surface Disinfection *
  • 10.
    • Housekeeping surfaces
    • Walls, floors and sinks must be routinely cleaned and
    • disinfected.
    • Floors should be cleaned and disinfected every day in
    • the morning and at the end of the working day.
    • walls should be cleaned and disinfected at least once
    • per week.
    • Use water and a suitable detergent for cleaning then
    • disinfection
  • 11.  
  • 12.
    • What is the suitable disinfectant for Housekeeping surfaces?
    • Sodium Hypochlorite .
    • Hydrogen Peroxide.
    • Quat.
    • Chlorine releasing tablets ( NaDCC).
    • Chlorine Dioxide .
    • … .etc
  • 13.
    • We must consider !!
    • Efficacy .
    • Compatibility .
    • Action time .
    • Toxicity .
    • Staining .
    • Ecology.
  • 14. High efficacy Should be Virucidal , Bactericidal , tuberculocidal,Fungicidal and Sporicidal Rapid activity Should achieve HLD in a short time . Material compatibility Should produce negligible changes in either the appearance or function of the processed items. Non toxic For the HCWs , Patient and the environment. Non staining Should not stain patient skin, clothing or environmental surfaces Resistant to organic material Should be able to withstand reasonable organic material challenge without loss of efficacy. Monitoring compatibility Should be able to monitor minimum effective concentration using a simple procedure Ease of use Used with minimum training of the staff and without different concentrations used. Prolonged reuse life Should be able to reuse repeatedly over an extended period of time. Long shelf life Should be able to stored prior to use for an extended time without loss of activity Unrestricted disposal Should have no requirements for special disposal Cost-Effective Should have reasonable cost per cycle
  • 15.  

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