DISCLOSED ARE ORAL CARE COMPOSITIONS, FOR EXAMPLE DENTIFRICE COMPOSITIONS, COMPRISING AN ORALLY ACCEPTABLE VEHICLE, METAL OXIDE PARTICLES HAVING AN AVERAGE PARTICLE SIZE OF NO GREATER THAN A DENT IN TUBULE AND A POLYMERIC ADHERENT MATERIAL FOR ADHERING THE METAL OXIDE PARTICLES IN THE DENTIN TUBULE. THE METAL OXIDE PARTICLES HAVE A MEDIAN PARTICLE SIZE OF 5 MICRONS OR LESS, AND MAY COMPRISE ZINC OXIDE.