ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

How many types of tissue compose a tooth?
  1. 3
  2. 4
  3. 7
  4. 2
Explanation
Answer: B - A tooth is composed of four types of tissue: calcified enamel, calcified cementum, calcified dentin, and uncalcified pulp. With the exception of enamel, each layer is specialized connective tissue of mesenchyme or epithelium.
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