- Tested repairs to weaken tooth enamel. - Helps protect against the effects of acid-induced tooth enamel degradation. - For stronger and better protected teeth - Helps to block minerals in tooth enamel. - Freshen your breath Acids in our daily diet can weaken tooth enamel over time. As a result, the enamel can break down, which can reveal the yellowish dentin underneath. This leads to pain sensitive teeth.