No. Both gum and mints sweetened with 100% xylitol work equally effectively. For people with dry mouth studies show xylitol mints help improve oral health and reduce root decay by 40%. People with braces or dentures may find mints are preferable and they offer everyone a great choice of flavors! Improved oral health comes from regular consumption of small amounts of xylitol, and this effect will be most pronounced when Zellie’s Mints, Gum or Polar Bears are eaten at the conclusion of every meal, snack or drink.