October 15, 2020
by American Dental Association
Although assumed to be at high risk for COVID-19, fewer than one percent of dentists nationwide were found to be COVID-19 positive, according to a first-of-its-kind report in the U.S. based on data collected in June 2020. The result is far below that of other health professionals in the U.S. In addition, 99 percent of dentists are using enhanced infection control procedures such as screening protocols and enhanced disinfection practices when treating patients. The report, published online ahead of print by The Journal of the American Dental Association, is the first large-scale collection and publication of U.S. dentists’ infection rates and infection control practices related to COVID-19.
“This is very good news for dentists and patients,” said American Dental Association (ADA) Science and Research Institute Chief Executive Officer Marcelo Araujo, D.D.S., M.S., Ph.D., the senior author of the report. “This means that what dentists are doing – heightened infection control and increased attention to patient and dental team safety – is working.”
Dr. Araujo added that the authors of the report, researchers from the ADA Science and Research Institute and Health Policy Institute based in Chicago, are continuing to collect and will report infection rate data on dentists and have added hygienists to their ongoing survey, in collaboration with the American Dental Hygienists Association.
This report focused on nearly 2,200 dentists in June, finding that 82 percent of dentists were asymptomatic for one month prior to the survey and 16.6 percent reported getting a COVID-19 test. Those who tested positive were not clustered in any particular geographic region. Among those not tested, less than one percent (0.32) were given a probable COVID-19 diagnosis by a physician. The authors weighted the results to align with U.S. dentists demographically and geographically and found an estimated prevalence of less than one percent (0.9) with a margin of error of 0.5 percent.
“Understanding the risks associated with COVID-19 transmission in the dental setting is critical to improving patient and dental team safety,” said Dr. Araujo. “This study brings us another step forward in understanding what works. Dentists are following ADA and U.S. Centers for Disease Control and Prevention (CDC) guidance, and it’s helping to keep the dental team and their patients as safe as possible.”
In March, The New York Times listed dentistry as one of the professions at highest risk of COVID-19 based on data from O*NET, a database maintained by the U.S. Department of Labor. It was presumed that virus transmission could occur because of the close proximity between dental professionals and patients and because many dental procedures generate aerosols that may contain viral particles from infected individuals.
This newly-published report, with the extremely low rate of COVID-19 infection among dentists, supports the effectiveness of the recommendations from the CDC and ADA in preventing virus transmission.
The ADA’s guidance calls for the highest level of personal protective equipment (PPE) available—masks, goggles and face shields. The ADA’s interim guidance also calls for the use of rubber dams and high velocity suction whenever possible and hand scaling when cleaning teeth rather than using ultrasonic scaling to minimize aerosols.
“The fact that dentistry was named one of the most at-risk professions for infection, but has a far lower prevalence of infection compared to other health professions, is not a coincidence,” said Chief Economist and Vice President of the ADA Health Policy Institute Marko Vujicic, Ph.D. “The profession has taken this issue extremely seriously, and it shows. We will continue to track the rate of COVID-19 among dentists and other facets of the pandemic affecting dentistry so it can help inform the dental profession and other industries as well.”
The report is set to be presented at the ADA FDC Virtual Connect Conference, a joint meeting of the ADA and Florida Dental Association, held Oct. 15-17. For more information on COVID-19 and dental visits, visit MouthHealthy.org.
Editor’s Note: Reporters are invited to follow the ADA on Twitter @AmerDentalAssn
About the American Dental Association
The not-for-profit ADA is the nation’s largest dental association, representing more than 163,000 dentist members. The premier source of oral health information, the ADA has advocated for the public’s health and promoted the art and science of dentistry since 1859. The ADA’s state-of-the-art research facilities develop and test dental products and materials that have advanced the practice of dentistry and made the patient experience more positive. The ADA Seal of Acceptance long has been a valuable and respected guide to consumer dental care products. The monthly The Journal of the American Dental Association (JADA) is the ADA’s flagship publication and the best-read scientific journal in dentistry. For more information about the ADA, visit ADA.org. For more information on oral health, including prevention, care and treatment of dental disease, visit the ADA’s consumer website MouthHealthy.org.
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