Being toothless, known more formally as "complete edentulism," is a lot more common than you may think. Dentures and permanent false teeth cover up the fact that many people are walking around with phony chompers.
New research published in the American Journal of Infection Control suggests that professionals who administer breath alcohol tests should stay away from hand sanitizers that contain ethanol, as they can cause breathalyzers to produce a false positive result. That's because the active ingredient is often some kind of alcohol.
Health officials have suspected that poor oral hygiene may be related to the prevalence of human papillomavirus (HPV) in the mouth and throat.