Correction, worsening, and re-correction of posture appeared directly related to the painful symptoms of trigeminal neuralgia. Subluxation of the craniocervical posture may be a plausible cause in some cases of this disorder.

Craniocervical subluxation may be a cause in some cases. And head movements are directly related to the symptoms. Patients may grimace, wince, or make an aversive head movement, as if trying to escape the pain.

Many studies have demonstrated the functional connection between the mandibular motor system and the cervical motor system (Clark et al., 1993; Igarashi et al., 2000; Zuñiga et al., 1995) that can possibly acknowledge the trigeminal system to adjust the cervical movements during mastication (Igarashi et al., 2000).

Then, dental occlusion has a repercussion upon proprioception and visual stabilization in human subjects (Gangloff et al., 2000). Many studies support the theory that dental occlusion affects posture, muscular strength and output (Moon and Yong-Keun 2011).

I recommend you to read books on cranial osteopathy, which demonstrate the connection between the cranial nerves and the postural tonic system. I would like to emphasize that this approach is not evidence based

Thanks everyone for the great insights