Across
- 2. The upper jaw
- 3. Break down of tooth structures
- 5. thin white substance applied to the tooth surface in order to protect the pits and fissures of teeth.
- 6. film composed of undigested food, saliva, and bacteria that constantly attaches to the tooth surfaces.
Down
- 1. Process of maintaining oral cleanliness.
- 4. thread-like material used to clean in between teeth