Some sugar-free chewing gums contain Xylitol or Sorbitol which are cariostatic and help to prevent decay. The additional saliva generated from chewing the gum also increases the natural protection against tooth decay because saliva offers a natural buffer against the acid formed by bacteria. In addition, at TLC Dental, we recommend Recaldent chewing gum, only distributed by dentists to patients who present a high risk of decay.