Dentist Explains How Sugar-Free Chewing Gum Can Protect Your TeethSugar-free chewing gum does more than freshen breath-it may also support healthier teeth and gums. Researchers found that chewing sugar-free gum every day improved overall oral health, caused no irritation to the oral mucosa, and had no negative effect on dental fillings. According to the dentist, clinical evaluations showed that chewing gum does not compromise properly placed fillings. Saliva Helps Protect Teeth From CavitiesShevchenko said sugar-free chewing gum benefits not only people with fillings but anyone looking to improve oral health. Despite these benefits, Shevchenko emphasized that sugar-free chewing gum should complement-not replace-a proper oral hygiene routine.