Early in my career as an acupuncturist, my clients introduced me to the nuances of Temporomandibular Dysfunction or Disorder.  TMD is a general diagnosis that represents a group of often painful and/or dysfunctional conditions involving the muscles of chewing and/or the temporomandibular joint (TMJ) located just under the ear. This is a special and complex joint, since it can act as a lever, it can shift side to side, and…