What is the purpose of a pre-procedural rinse?

• A. To reduce bacterial and viral load in aerosols
• B. To whiten teeth
• C. To remove plaque
• D. To freshen breath

Answer: (A)

Reducing the microbial content of aerosols produced during dental procedures is the goal of a pre-procedural rinse. During treatment, especially with drilling, ultrasonic scalers, or air-water spray, saliva and bacteria can be turned into aerosols that may be inhaled by clinicians and other patients. An antimicrobial rinse temporarily lowers the number of bacteria and viruses in the mouth, which translates into fewer microbes in those aerosols and helps protect everyone in the room. This infection-control purpose is why this rinse is used before procedures.

Whitening, plaque removal, and freshening breath are not the primary aims here. Whitening and plaque removal come from mechanical cleaning or specialty products, and freshening breath is a transient, secondary effect at best.