| A few interesting facts : |
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We have 32 permanent teeth, arranged in pairs in the upper and lower jaws.
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A tooth has two parts - the crown and the root. Crown is the part of the tooth that stays above the gum while the root stays below the gum line.
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| v | The hard white outside of the tooth is the enamel-the hardest material of the body.
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| v | The bacteria that forms plaque produces an acid, which erodes the enamel and leads to cavities.
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| v | Wisdom tooth is a third molar which appears in early teens or late twenties.
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