Nature: Like many parts of the body, teeth are not different. When a tooth gets decayed, there is no mechanism in the body to seal it off and repair it over time. It is unfortunate, but that is why dentistry came into being.
Answered 1/21/2014
4.6k views
Enamel ; Dentin: The tooth is mainly composed of enamel and dentin, materials that are not living tissue. Therefore any damage to the enamel and dentin cannot be repaired without the help of a dentist.
Answered 1/21/2014
4.6k views
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