Patents

Therapeutic Mouthwash Reduces Dental Hypersensitivity

Colgate-Palmolive patent covers composition that works by reducing hydraulic flow in exposed dentinal tubules.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,369,553 B2 (Sarita V. Mello, Evangelia Arvanitidou); Colgate-Palmolive Company has patented an oral care composition for reducing dental hypersensitivity by reducing hydraulic flow in exposed dentinal tubules. It is comprised of at least one arginine compound in free or salt form, at least one mucoadhesive polymer, at least one pyrophosphate compound comprising tetrasodium pyrophosphate and tetrapotassium pyrophosphate, and at least one component selected from the group consisting of zinc salts, potassium salts, strontium salts, and mixtures thereof. The mouthwash composition produces hydraulic conductance flow reduction of greater than 60% upon application to teeth having exposed dentinal tubules.

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