Recommended for People Who Suffer From Dry Mouth Irritations. When used daily, the active enzymes in Biotene can be effective in protecting your teeth between brushings. Natural Enzyme Protection Relieves Oral Dryness Reduces Odor-Causing Bacteria Protects Between Brushings Reduces Plaque Hygienists, Nurses - Voted #1 Sugar Free Mint Effectively helps to reduce odor-causing bacteria and plaque film Did you know that one of the most important factors of increased dental cavities, bad breath and gum disease is the reduction in your saliva flow! Biotene® is an all-natural, easy to chew enzyme gum that boost and strengthens your mouth s natural defenses. Biotene® Dry Mouth Gum can be helpful between brushings anytime when away from home. Specially formulated to help prevent plaque Effectively.