Inorganic content of enamel is about______________?
Correct answer: D. 96%
- A. 35%
- B. 50%
- C. 4%
- D. 96%
Explanation
Mature enamel contains approximately 96% inorganic mineral by weight, mainly hydroxyapatite, with only small organic and water fractions. This high mineral content explains its hardness and low reparative capacity.
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