A tooth root is under the (
).
A: bone
B: pulp
C: gums
).
A: bone
B: pulp
C: gums
举一反三
- Nerves go through the ( ). A: jaw bone B: pulp C: gums
- The ( <br/>) keeps the tooth in<br/>place by securing it to the bone. A: crown B: periodontal ligament C: bone
- The<br/>( <br/>) keeps the tooth in place by securing it to the bone. A: crown B: periodontal ligament C: bone
- The ( ) keeps the tooth in<br/>place by securing it to the bone. A: crown B: bone C: periodontal ligament
- The tooth is usually divided into three parts ( ). A: Tooth crown B: Tooth neck C: Tooth surface D: Tooth root E: Tooth foot