noun
- the hard tissue that covers the root of a tooth and helps anchor it to the jawbone
Usage: anatomy; dentistry
Examples
- The dentist explained that cementum helps hold the tooth in place.
- Periodontal disease can damage the cementum covering tooth roots.
- Cementum is thicker at the tip of the tooth root than near the crown.
- The hygienist noted that healthy cementum is essential for strong teeth.
- Root planing removes bacteria and toxins from the cementum surface.
- Cementum works with other tissues to support the tooth in its socket.