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Dentin is the middle layer of a tooth. It is made of hard minerals
and protects the pulp (the inner core of the tooth) from external conditions
such as heat and cold.
Dentin is covered by enamel above the gum line (the crown of the
tooth). Dentin in the root of the tooth is covered by hard connective tissue
June 14, 2011
Kathleen Romito, MD - Family Medicine & Steven K. Patterson, BS, DDS, MPH - Dentistry
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