Infection Control in Dental Settings
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Which of the following is NOT a standard precaution in dental settings?

  • Use of personal protective equipment
  • Sharps safety
  • Patient scheduling (correct)
  • Hand hygiene
  • What is the primary goal of implementing respiratory hygiene/cough etiquette?

  • To contain respiratory secretions and to prevent the spread of respiratory pathogens (correct)
  • To limit patient interaction
  • To eliminate all respiratory infections
  • To provide an alternative to hand hygiene
  • Which disinfectant level should be used for items that cannot tolerate sterilization?

  • Intermediate-level disinfectant with tuberculocidal claim (correct)
  • Sterilant
  • Low-level disinfectant
  • High-level disinfectant
  • What should be done with fluid infusion sets and administration sets after usage?

    <p>They should be discarded after single-patient use</p> Signup and view all the answers

    Where should signs be posted to instruct patients with respiratory symptoms about cough etiquette?

    <p>At entrances to the facility</p> Signup and view all the answers

    What is the recommended method for decontaminating surfaces after a blood spill?

    <p>Use a registered hospital disinfectant with low to intermediate-level activity.</p> Signup and view all the answers

    What is the correct procedure for dental handpieces that can be removed from the dental unit's air and waterlines?

    <p>Heat-sterilize them between patients.</p> Signup and view all the answers

    When using multi-dose vials, what should be used to cleanse the access diaphragm before accessing the vial?

    <p>70% alcohol</p> Signup and view all the answers

    Which of these should be provided for patients to follow proper respiratory hygiene?

    <p>Tissues; no-touch receptacles; hand hygiene resources</p> Signup and view all the answers

    What should happen when a patient that is coughing enters the dental setting?

    <p>They should be offered a mask, and encouraged to sit away from others</p> Signup and view all the answers

    What should you avoid when accessing a multidose vial?

    <p>Touching the access diaphragm</p> Signup and view all the answers

    Which of the following is NOT recommended for cleaning dental handpieces that are removable from the air and water lines?

    <p>Surface disinfection</p> Signup and view all the answers

    What should dental healthcare providers advise patients regarding the use of saliva ejectors?

    <p>Avoid closing their lips around the tip of the saliva ejector.</p> Signup and view all the answers

    Aside from the dentist, who else is an important member for infection control in a dental setting?

    <p>Other members in the dental team</p> Signup and view all the answers

    According to guidelines, what should be done with a multi-dose vial if its sterility is compromised?

    <p>It should be discarded immediately</p> Signup and view all the answers

    Which of these is an example of sharps safety in the dental clinic?

    <p>Placing sharps in a designated container</p> Signup and view all the answers

    In addition to disinfecting the rubber septum of the medication vial, what else is recommended when preparing injections?

    <p>Preparing injections in a clean area, using aseptic technique</p> Signup and view all the answers

    When exposing dental radiographs, what personal protective equipment (PPE) is essential to wear?

    <p>Gloves, protective eyewear, mask, and gown if spattering of blood or other fluids is likely.</p> Signup and view all the answers

    What is the recommendation for using syringes for multiple patients, even with a needle change?

    <p>It is not acceptable, even with a needle change</p> Signup and view all the answers

    What type of intraoral devices should be used whenever possible during dental radiology?

    <p>Heat-tolerant or disposable devices</p> Signup and view all the answers

    Why are aseptic techniques important for parenteral medications?

    <p>To prevent introducing infection</p> Signup and view all the answers

    Where should multidose vials be kept to prevent contamination?

    <p>Away from the immediate patient treatment area</p> Signup and view all the answers

    How should you handle exposed dental radiographs to prevent contamination of developing equipment?

    <p>Transport and handle them in an aseptic manner.</p> Signup and view all the answers

    How should barrier-protected semicritical digital radiography sensors be processed between patients?

    <p>Heat-sterilize or high-level disinfect</p> Signup and view all the answers

    How should you prepare cleaning and disinfecting solutions?

    <p>Prepare solutions fresh daily, following manufacturer’s instructions</p> Signup and view all the answers

    What should you do with mops and cloths after use?

    <p>Clean them and allow to dry before reuse or use disposable options</p> Signup and view all the answers

    When should you clean walls, blinds, and curtains in patient-care areas?

    <p>When they are visibly dusty or soiled</p> Signup and view all the answers

    What type of disinfectant is required for clinical contact surfaces after each patient?

    <p>A registered hospital disinfectant with low- to intermediate-level activity</p> Signup and view all the answers

    When should surface barriers be changed on clinical contact surfaces?

    <p>Between each patient</p> Signup and view all the answers

    What should you do when handling cleaning and disinfecting products?

    <p>Use appropriate PPE, including gloves, protective clothing, and eye/face masks if required</p> Signup and view all the answers

    For disinfection purposes, what specific products should NOT be used on environmental surfaces?

    <p>Liquid chemical sterilants/high-level disinfectants</p> Signup and view all the answers

    How should housekeeping surfaces, including floors, walls and sinks, be cleaned?

    <p>Routinely with detergent and water or a hospital disinfectant/detergent, when visibly soiled or based on location in facility.</p> Signup and view all the answers

    For how long can a multidose vial be used after being opened, unless the manufacturer specifies otherwise?

    <p>28 days</p> Signup and view all the answers

    What is the recommendation regarding single-dose medication vials?

    <p>They should be discarded after use on one patient.</p> Signup and view all the answers

    If a multidose vial enters an immediate patient treatment area, what should happen to it?

    <p>It should be used only for that patient and then discarded.</p> Signup and view all the answers

    What should be used when performing surgical hand antisepsis?

    <p>Antimicrobial soap and water</p> Signup and view all the answers

    When performing oral surgical procedures, what type of irrigation should be used?

    <p>Sterile saline or sterile water</p> Signup and view all the answers

    What type of gloves are required for oral surgical procedures?

    <p>Sterile surgeon’s gloves</p> Signup and view all the answers

    Which of the following is true about the use of preprocedural antimicrobial mouth rinses?

    <p>The scientific evidence is inconclusive that the rinses prevent clinical infections.</p> Signup and view all the answers

    Which of the following is true about single-use devices?

    <p>They should be used for one patient only and then disposed of.</p> Signup and view all the answers

    What is the recommended method for delivering sterile irrigating fluids during dental procedures?

    <p>Employing devices designed for sterile fluid delivery, like bulb syringes or single-use products</p> Signup and view all the answers

    What is the initial step for handling biopsy specimens during transport?

    <p>Secure the specimen in a leak-proof container labeled with the biohazard symbol</p> Signup and view all the answers

    How should extracted teeth containing amalgam be disposed of?

    <p>Not included in regulated medical waste intended for incineration</p> Signup and view all the answers

    What should be done with extracted teeth before being used for educational purposes?

    <p>Heat-sterilize teeth that DO NOT contain amalgam</p> Signup and view all the answers

    What action should be taken with potentially contaminated metal impression trays in the dental lab?

    <p>Clean and heat-sterilize the trays before next use</p> Signup and view all the answers

    If manufacturer’s directions for sterilizing dental tools not normally used in the mouth are not available, what should be followed?

    <p>Clean and heat-sterilize heat-tolerant items, and disinfect non-heat tolerant with an EPA-registered hospital disinfectant at the appropriate activity level</p> Signup and view all the answers

    What is the recommendation regarding protecting dental health care personnel (DHCP) from laser plumes or surgical smoke?

    <p>There are no recommendations offered at this time regarding this</p> Signup and view all the answers

    What action should be taken with a biopsy specimen container that is visibly contaminated on the outside?

    <p>Clean and disinfect the outside of the container, or place it in an impervious bag labeled with the biohazard symbol</p> Signup and view all the answers

    Study Notes

    Infection Control in Dental Settings

    • Guidelines cover infection control practices in dental clinics, dental related areas (radiography, labs), and the role of various dental team members.
    • Learning objectives include understanding infection control practices in the dental clinic, the roles of dentists in infection control, infection control measures within dental areas (radiography, labs), and the part played by other dental team members.

    Standard Precautions

    • Standard Precautions encompass several critical measures:
      • Hand hygiene is essential.
      • Personal protective equipment (PPE), such as gloves, masks, and eyewear, must be used.
      • Respiratory hygiene/cough etiquette involves covering coughs and sneezes, using and disposing of tissues, and performing hand hygiene.
      • Sharps safety, including engineering controls and work practice controls, is crucial.
      • Safe injection practices, including aseptic techniques for parenteral medications, are mandatory.
      • Sterile instruments and devices must be used.
      • Environmental surfaces should be cleaned and disinfected regularly.

    Respiratory Hygiene/Cough Etiquette

    • Measures to control respiratory secretions are essential, beginning at the point of entry to the facility.

    • Dental healthcare providers (DHCP) receive education on the importance of infection prevention measures, particularly regarding respiratory secretions and the spread of respiratory pathogens.

    • Signs at facility entrances guide patients on proper respiratory hygiene like covering mouths/noses, using and disposing of tissues, and performing hand hygiene.

    Environmental Infection Control

    • General recommendations for cleaning and disinfecting include following manufacturer's instructions for using FDA-registered hospital disinfecting products.
      • Avoid using liquid chemical sterilants for environmental surfaces in clinical settings.
    • Appropriate PPE should be worn when cleaning and disinfecting surfaces. This includes gloves, protective clothing (e.g., gowns, jackets, laboratory coats), and protective eyewear/face shield.

    Clinical Contact Surfaces

    • Surface barriers protect clinical contact surfaces, mainly those hard-to-clean areas.
      • Clinical contact surfaces, including those that are not barrier-protected, must be cleaned and disinfected using registered hospital disinfectants with specified activity.
    • Visibly contaminated surfaces should be disinfected with an intermediate-level disinfectant.

    Housekeeping Surfaces

    • Housekeeping surfaces should be cleaned on a routine basis, considering the type and degree of contamination.
    • Mops and cloths should be cleaned, and single-use disposable options are preferable.
    • Fresh cleaning solutions must be prepared daily as instructed by the manufacturer.
    • Walls, blinds, and window curtains in patient areas should be cleaned when visibly soiled.

    Spills of Blood and Body Substances

    • Spilled blood and body substances should be cleaned and disinfected with a low to intermediate-level registered hospital disinfectant.

    Dental Handpieces and Other Devices Attached to Air and Waterlines

    • Handpieces and intraoral instruments must be cleaned and heat-sterilized between patients.

    • Manufacturers' instructions for cleaning, and sterilizing should be strictly followed, including the steps related to lubrication.

    • Intraoral instruments that can be detached should be cleaned/sterilized/sanitized, following the manufacturer's instructions.

    • Patients should not be instructed to close their lips around the tip of a saliva ejector.

    • Do not surface-disinfect handheld instruments – use liquid chemical sterilants or ethylene oxide.

    Special Considerations for Dental Radiology

    • Wear gloves when handling contaminated film packets.
      • Use additional PPE (e.g. eyewear, masks, gowns) if blood or body fluids spatter is likely.
    • Heat-tolerant or disposable intraoral devices are preferable.
    • Devices must be heat-sterilized or high-level disinfected after each patient.
    • Exposures should be handled in a proper aseptic manner to avoid contaminating developing equipment.
    • Follow the manufacturer's instructions to maintain proper cleaning and sterilization of dental radiology devices and sensors, including associated computer hardware.
    • Use FDA-cleared barriers to protect digital radiography sensors and, if necessary, clean/heat-sterilize/disinfect barrier-protected semicritical items.
    • Disinfect with appropriate method if item cannot tolerate procedures stated.

    Aseptic Technique for Parenteral Medications

    • Do not administer medications from one syringe to multiple patients, even if the needle changes.

    • Use single-dose vials when possible.

    • Do not combine leftover contents of single-use vials.

    • Single-use infusion/administration sets (e.g., IV bags, tubing) are required for each patient.

    • Discard these materials immediately.

    • If multidose vials are used, treat appropriately.

    • Maintain multidose vials in a separate location to avoid cross-contamination.

    • Immediately after using, dispose of the multidose vial.

    • Clean multidose vials' access diaphragms before use.

    • Use sterile devices to access vials, avoiding contact with the diaphragm.

    • Sterilize needles and syringes.

    • Do not reuse syringes, even if the needle is changed.

    • Keep multidose vials away from patient treatment areas.

    • Discard multidose vials if their sterility might be compromised. Use aseptic technique to prepare injections in a clean area.

    • Disinfect the vial septum (rubber covering) before piercing with a needle.

    • Only use needles and syringes once, don't reuse – even after changing the needle.

    • Don't re-use single use vials, ampules, or IV bags & bottles.

    • Dispose of after use.

    • Date the opened multidose vials.

    • Discard them within 28 days (or manufacturer's guideline).

    Single-Use (Disposable) Devices

    • Single-use devices such as disposable devices, are used only once per patient.

    Preprocedural Mouth Rinses

    • There's no specific recommendation for employing preprocedural antimicrobial rinses (like chlorhexidine) as a preventative measure for clinical infections among dental healthcare personnel (DHCP) or patients.

    Oral Surgical Procedures

    • Surgical and hand antisepsis with antimicrobial products, such as antimicrobial soap and water or alcohol-based hand scrubs, is mandatory before donning sterile surgeon's gloves during surgical procedures.
    • Use sterile saline or sterile water as a coolant/irrigator.

    Handling of Biopsy Specimens

    • Transport biopsy specimens in a sturdy, leakproof container labeled with the biohazard symbol.
    • If the container is visibly contaminated, clean/disinfect it before handling or place it in a dedicated, labelled, impervious bag.

    Handling of Extracted Teeth

    • Dispose of extracted teeth as regulated medical waste unless returned to the patient.
    • Do not throw away amalgam teeth with other dental waste.
    • Ensure teeth are hydrated & properly contained for transport to educational institutions & labs.

    Dental Laboratory

    • Heat-sterilize or clean/disinfect heat-tolerant items.
    • Follow Manufacturers' instructions to clean/disinfect devices that do not directly contact the patient.
    • Clean/disinfect with EPA-registered hospital disinfectant if manufacturer's instructions unknown. Choose the option (heat-tolerance or disinfection) that best meets the item's characteristics. Apply disinfection or sterilization based on contamination level.

    Laser/Electrosurgery Plumes/Surgical Smoke

    • There's no current recommendation for practices to reduce DHCP exposure to laser plumes/surgical smoke from dental lasers.

    • However, suggested practices to minimize exposure include employing standard precautions, central room suction units with in-line filters, and dedicated mechanical smoke exhaust systems using high-efficiency filters.

    • The effect of laser exposure on DHCP, such as disease transmission and adverse respiratory effects, remains incompletely understood.

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    Test your knowledge on infection control practices in dental settings with this quiz. Questions cover standard precautions, respiratory hygiene, and proper cleaning procedures to ensure patient safety. Perfect for dental professionals and students alike.

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