Multiple choice

What are teeth made of?

  1. Bone

  2. Dentin

  3. Keratin

  4. Dentin and enamel

  5. Keratin and bone

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dentin is a calcified tissue of the body. It is covered by enamel on the crown and cemented on the rod and surrounds the entire pulp.