Definitions

1. noun

a hard, calcified tissue that makes up the bulk of a tooth, forming the main body of the tooth beneath the enamel.

“The dentist examined the dentin of the patient’s tooth to determine the extent of the decay.”

2. noun

the dentin of a particular tooth.

“The dentist removed the infected dentin from the patient’s molar.”

3. noun

the dentin of a particular part of a tooth.

“The dentist treated the dentin of the root of the patient’s tooth.”