Back pain

Backache and back pain can be brought on by jaw misalignment in multiple ways. The medical community for the most part does not recognize this phenomenon even though it is well established in the medical research literature (J Orofac Pain. 2011 Summer;25(3):190-8. Temporomandibular joint and muscle disorder-type pain and comorbid pains in a national US sample.). This is one of the reasons as to why back pain is so costly to the public, and why the medical community finds it so difficult to eliminate.
One of the ways that jaw alingment causes back pain is that jaw position effects head position (Cranio. 2005 Jul;23(3):219-28. Evaluation of cervical posture of children in skeletal class I, II, and III. D’Attilio M, Caputi S, Epifania E, Festa F, Tecco S.). As the lower jaw retrudes relative to the upper jaw (typical TMJ syndrome) , the head goes forward, causing increased strain on back. The work of Mario Racabado, PT, proved that the strain on the back triples for every centimeter that the head goes forward. Biomechanically, this increase strain would predispose the back to injury and prevent it from healing.
More importantly, the trigeminal nerve modulates muscle tone in the back by way of the mesencephalic nucleus as evidenced by over 35 years of research by Japanese researchers (In Vivo. 1999 Nov-Dec;13(6):519-24. Systemic effects of the occlusal destruction in guinea pigs. Azuma Y, Maehara K, Tokunaga T, Hashimoto M, Ieoka K, Sakagami H. Source Department of Dental Pharmacology, Asahi University School of Dentistry, Gifu, Japan.). When the body senses that the lower jaw is not aligned properly, this nucleus in the brain increases muscle tone systemically. Japanese research through multiple studies has shown that this is probably the primary cause of scoliosis.
There are nerves that descend down the spine and modulate the sensory signal coming into the brain. These have the ability to exaggerate pain signals from muscles. Some of these are known to be second order neurons of the trigeminal nerve. Hence, when the trigeminal nerve is hyperactive, it would have the ability to cause these to dysfunction.
The trigeminal nerve through its large representation is the reticular formation, has the ability to regulate the ascending sensory signals and determine their importance. It controls what the body focuses on, hence, the possibility of causing excess pain perception and/or numbness.

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