teethridges
/ˈtiθˌrɪdʒɪz/
noun
- Plural of teethridge; the bony ridges of the upper and lower jaws that contain the teeth.
- The orthodontist took X-rays of her teethridges to plan the braces.
- Strong teethridges are important for keeping teeth firmly in place.
- Both teethridges need to be healthy for proper chewing.