Delivers clinically proven relief from the pain of dentine hypersensitivityproven resistance of reparative layer to daily oral challengescontains novamin174 which builds a protect layer over exposed dentineemploys the same bioactive material used in advanced bone regeneration researchsensitivity occurs when the dentine underneath tooth enamel becomes exposed when exposed dentine comes into contact with hot or cold sweet sour or even your toothbrush it can trig