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Interim Dental Infection Prevention and Control Guidance for the COVID‑19 Response – A New Paradigm

Course Number: 647

Administrative Controls and Work Practice Considerations

Align scheduling to avoid patient therapy overlap and minimize aerosol-generating procedures to the greatest extent possible.2

  • OHCP should limit clinical care to one patient at a time whenever possible.

  • Set up operatories so that only the clean or sterile supplies and instruments needed for the planned dental procedure are readily accessible.

    • Any supplies and equipment that are exposed but not used during the procedure should be considered contaminated and should be disposed of or reprocessed properly after completion of the procedure.

  • Avoid aerosol-generating procedures whenever possible (e.g., use of dental handpieces air/water syringe and ultrasonic scalers).

    • Prioritize minimally invasive/atraumatic restorative techniques (hand instruments only).

    • If aerosol-generating procedures are necessary for dental care, use four-handed dentistry, high evacuation suction and dental dams to minimize droplet spatter and aerosols.

  • Limit the number of OHCP in the operatory to only those essential for patient care and procedure support.

  • The use of a preprocedural mouth rinses (PPMR) to reduce viral load or prevent SARS‑CoV‑2 transmission has not been clinically validated.14 Nonetheless, the use of antimicrobial PPMR (e.g., chlorhexidine gluconate, essential oils, povidone-iodine or cetylpyridinium chloride) may reduce the level of oral microorganisms in aerosols and spatter.