True or false. :. The dentine of a tooth is covered by crown
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The dentin is covered by the enamel at the crown of the tooth, the portion that is visible in the mouth. At the root, the dentin is covered by the cementum. The mineral hydroxyapatite makes up around 70% of the dentin, while 20% is organic matter and 10% water. It is yellow and looks much like the tooth enamel.
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true........... .........
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