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Tips for Reducing Aerosols During Dental Hygiene Care

As flu and respiratory syncytial virus cases rise this season, reducing aerosols during patient care is crucial for safety. Simple steps and effective tools can help dental hygienists maintain a healthier environment for both patients and staff.

With flu, respiratory syncytial virus (RSV), and bacterial pneumonia surging this season, managing aerosols during dental procedures is more important than ever. Although concerns surrounding COVID-19 have lessened since the pandemic, aerosol-generating procedures can still spread various respiratory illnesses. Dental hygienists can take several steps to reduce aerosol spread in their practices, enhancing safety for themselves, their patients, and colleagues.

1. Prioritize High-Volume Evacuation

Using a high-volume evacuation (HVE) device is essential for controlling aerosols. Studies show that HVE can reduce aerosols by up to 90% when positioned within 2 cm of an ultrasonic scaler tip.1-3 While HVE can be challenging for solo practitioners, many ergonomic devices are available, including lightweight HVE attachments for the nondominant hand. Choosing an HVE system with a wide opening (at least 8 mm) will provide better aerosol control than standard saliva ejectors.3

2. Opt for Preprocedural Mouthrinses

A simple but effective step is to use preprocedural antimicrobial mouthrinses. Rinsing for 30 to 60 seconds can lower the microbial load in the mouth, reducing the risk of aerosolized pathogens. Encourage patients to rinse before procedures.

3. Consider Ergonomic High-Volume Evacuation Designs

Ergonomics matter when managing aerosols. Long or heavy hoses can strain the wrist and arm, leading to musculoskeletal issues over time. Look for HVE devices with lightweight, flexible hoses and swivel designs, which make it easier to maintain the optimal position near the patient’s mouth. Innovations such as HVE mouth mirrors or finger-attached suction devices allow for better maneuverability and can reduce the strain on the hygienist.

4. Use Protective Barriers and Proper Personal Protective Equipment

Even with HVE, dental hygienists should wear appropriate personal protective equipment (PPE), including N95 respirators, face shields, goggles, and gowns. These barriers are critical for protecting against any residual aerosols that escape the HVE. Following Occupational Safety and Health Administration guidelines, employers must provide suitable PPE for workers exposed to respiratory hazards.

5. Stagger Patient Appointments

Allowing time between patients can help disperse any lingering aerosols in the air, reducing the risk of cross-contamination. Additionally, using air purification devices in treatment rooms can further improve air quality. Combined with patient staggering, these methods provide an added layer of protection for everyone in the practice.

By implementing these strategies, dental hygienists can make strides toward a safer, healthier work environment. With the right tools, thoughtful protocols, and consistent use of PPE, it’s possible to minimize the risks posed by aerosol-generating procedures, creating a season of care that prioritizes wellness and safety for all. Click here to read more.

References

  1. Harrel SK. Clinical insights: proceed with caution. Dimensions of Dental Hygiene. 2020;18(7):16–21.
  2. Harrel SK. Clinical insights: what we know and don’t know about dental aerosols. Dimensions of Dental Hygiene. 2020;18(5):16–18.
  3. Harrel SK, Molinari J. Aerosols and splatter in dentistry. A brief review of the literature and infection control implications. J Am Dent Assoc. 2004;135:429–437.
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