The
power of chewing comes from ()
A: tooth
B: mandibular movement
C: masticatory muscle
D: TMJ
E: None of the above
power of chewing comes from ()
A: tooth
B: mandibular movement
C: masticatory muscle
D: TMJ
E: None of the above
举一反三
- 5. What is the key difference that separates human beings from chimpanzees: A: Hidden ovulation B: Reduced masticatory system C: The decent of the hyoid bone D: Bipedalism E: Creativity F: None of the above G: All of the above
- Which tooth has a root twice the length of the crown, with an oval<br/>triangular shape at the cross section of the root: () A: The<br/>maxillary central incisor B: The<br/>mandibular central incisor C: The<br/>maxillary canine D: The<br/>mandibular canine E: The<br/>maxillary first premolar
- The tooth with the root that is approximately twice as long as the<br/>crown and an oval-triangle section of the root neck is () A: the maxillary central incisor B: the mandibular central incisor C: the maxillary canine D: the mandibular canine E: the maxillary first premolar
- Which muscle isn’tthe masticatory muscle A: The temporalis B: The masseter C: The buccinator D: The medial pterygoid
- The tooth that can be extracted by the rotating force is the () A: The maxillary central incisor B: The mandibular central incisor C: The maxillary lateral incisor D: The mandibular lateral incisor E: The premolar