Is the shared info helpful for diagnosis of TMJ Dysfunction
- Yes
- No
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The TMJ is innervated by branches of the mandibular division of the Trigeminal Nerve – CNV .
✔The anterior and medial parts by the deep temporal nerve and the masseteric nerve
✔The posterior and lateral parts are innervated by the auriculotemporal nerve.
The second nerve in the pathway connects to the trigeminal nucleus which extends into the upper cervical spine .
This location permits dysfunction in the upper cervical spine (C1-3 or some say C1-5) to affect the TMJ. The opposite can apply as well.
Dr. Cohen stated that 70% of the time TMJ and upper cervical dysfunction occur simultaneously . In fact, dysfunction in one can halt pain progression in the other, especially due to the trigeminal nucleus’ susceptibility towards hypersensitization to pain. So if you ever have a cervical or TMJ patient not progressing like you’d expect, check the opposing joint!
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