05/30/2026
Tooth enamel is the hardest substance your body produces, but it cannot repair itself once it is lost. Unlike bone, it contains no living cells capable of regenerating. The acids produced by bacteria after meals gradually wear it down, which is why the timing of brushing and the frequency of sugary foods both matter more than most people realize. Prevention is the only true protection for enamel.
You can REMINERALIZE enamel but you cannot rebuild it.