Question 250 (part 2) · LDEK · Physiology of the masticatory system and occlusion
Indicate correct statements regarding innervation of TMJ:
1) it derives from auricotemporal nerve;
2) it derives from the V3 branch of trigeminal nerve;
3) it derives from masseteric nerve and posterior deep in the anterior part of the joint;
4) it is larger in posterior lateral part of the joint than in anterior or medial part;
5) it does not occur in central part of the disc and articular cartilage.
Correct answer is:
2) it derives from the V3 branch of trigeminal nerve;
3) it derives from masseteric nerve and posterior deep in the anterior part of the joint;
4) it is larger in posterior lateral part of the joint than in anterior or medial part;
5) it does not occur in central part of the disc and articular cartilage.
Correct answer is:
- A. 1,3,5.
- B. 2,4.
- C. 2,3,4,5.
- D. 4,5.
- E. all of the above-mentioned.
Hint
Recall which branches of V3 reach the joint, where nerve endings concentrate, and whether the load-bearing centre of the disc is innervated.
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