This invention comprises a set of dental products and methods to prevent and treat dentinal hypersensitivity, prevent tooth decay, and heal incipient caries by means of Mouth Friendly® dental products containing calcium carbonate, having a preferred particle size of 1 to 100 nanometers (nm), and a preferred weight range of 5 to 30%. Said products must contain 8 to 95 weight percent of xylitol, plus the surfactant system described in U.S. Pat. No. 5,496,541 (Mar. 5, 1996) and U.S. Pat. No. 5,900,230 (May 4, 1999). It is further required that all irritants and other mouth unfriendly ingredients be absent from the dental products of this invention. Additional features of this invention include prevention and treatment of aphthous ulcers, oral mucositis, periodontal disease, perioral dermatitis, halitosis, oral candida, chapped lips, and oral plaque and tartar. This invention also ameliorates the condition of those who suffer from xerostomia and cold sores.
