Discreetly sticks to outside of molar and/or adjoining gums. Can be used with braces, dentures or CPAP machines. 550 mg xylitol, long-lasting, may reduce risk of tooth decay. Neutralizes acids to reduce the risk of tooth decay.* For use while sleeping and daytime. Coats, moisturizes and lubricates.* Stimulates saliva.* Freshens breath. Rated most effective by dentists. Clinicians Report March 2016**. Contains no: animal products, corn protein, color, dyes, artificial flavors, or preservative and no products of nuts, wheat, rice, gluten, soy, egg, fish, shellfish, milk or yeast. All natural. Vegan. Reduces new plaque 50%+. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent disease. **Survey of 1168 dentists, March 2016 Clinicians Report, an independent, non-profit, dental education and product testing foundation. Full report available at oracoat.com. +In people with diagnosed dry mouth who use 6 discs per day.