Question

the portion of a tooth that is located below the gum line is the: a dentin. b crown. c enamel. d root.

Explanation:

• Dentin is a layer inside the tooth, not the portion below the gum line.
• The crown is the part of the tooth above the gum line.
• Enamel is the outer covering of the crown (above - gum part).
• The root is the part of the tooth that is embedded in the jawbone and located below the gum line.

Answer:

D. root