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By Patricia Pine, RDH, Infection Prevention Consultant, Founder, OSHA Training Boot Camp n For many years now, studies have shown the potential risks associ- ated with backflow, which is caused by greater negative pressure in the patient’s mouth than in the saliva evacuator (SE) tubing. According to the Centers for Disease Control and Prevention (CDC), research demonstrates that suction valve backflow is a signifi- cant risk factor for microbial cross- contamination between patients. In fact, backflow occurs in about one in five patients who close their lips around the SE tip. Some things are not meant to be shared Backflow can occur with an open or a closed mouth because of gravity, whichpullsliquidbackintoapatient’s mouth. Backflow risks increase when the saliva ejector is positioned above the mouth or when low-volume (SE) and other high-volume (HVE) suction occurs simultaneously. Viruses and bacteria can survive for days in the dark moist environ- ment of evacuation tubing. Disease transmission can occur when nega- tive pressure causes the infectious material in the tubing to flow back into the next patient’s mouth. Given this potential for cross- contamination with blood-borne pathogenic viruses and bacteria, the CDC recommends patients not be instructed to close their lips around the SE tip during use. First and only backflow prevention SE valve The new disposable saliva ejector DOVE® Backflow Prevention Valve, introduced this month by Stoma Dental, is a one-way valve that pre- vents backflow and eliminates cross- contamination between patients. The DOVE system adapts to a wide range of single-use tips and includes tail- caps to reduce noise and also bacte- rial aerosols between DOVE valve replacements. After decades of concern about backflow, it is exciting and important to have this new option available to offer to our patients, as it brings a new level of confidence to our infection-control efforts as infection- preventions practitioners. exhibitors 20 Chicago Midwinter — February 26, 2016 Say bye-bye to backflow Ad 5 Stoma Dental introduces its new Disposable SE DOVE valve with backflow prevention. (Photo/ Provided by Stoma Dental) Part 2 of 3 Here in Chicago For more information or to place an order for the DOVE Backflow Pre- vention Valve, visit www.stomadental. com, call (855) 800-DOVE, email sales@ stomadental.com or stop by the booth, No. 5234, here in Chicago. For Part 3 of PatriciaPine’sarticle,besuretopickup the Saturday edition of today. 5 Patricia Pine