Your tooth enamel is the hardest substance of your entire body, but it cannot grow back. The enamel you have right now is the only enamel that you will have for the rest of your life once your permanent teeth come in, but how is this possible? This occurs because of the microscopic structure of this protective layer of your teeth. Read on to learn more about the longevity of tooth enamel and what you can do to make it last for the rest of your life.
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