noun. a specialized bony substance covering the root of a tooth.
- solid body substance
Example sentences of the word cementum
1. Noun, singular or mass
The rest of the tooth is covered by cementum which is a bone-like tissue that forms the outer surface of the tooth.
Enamel or cementum loss with dentin exposure is the underlying cause of DH, which occurs most commonly in adults aged 20 to 40.