Sensitivity occurs when the dentine underneath the tooth enamel and gums becomes exposed.
When exposed dentine comes into contact with hot or cold, sweet, sour or even your toothbrush it can trigger the nerve, causing a short sharp pain.
Sensodyne Repair ; Protect Whitening can actually help repair (1) sensitive teeth and helps to remove stains to restore the natural whiteness of your teeth.
Brus
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