Ross Hauser, MD, Danielle Matias, PA-C, Demi Foster, APRN TMD or Temporomandibular Disorder is often described as an internal derangement (joint misalignment), which is a problem with the articular disc inthe jaw moving into an abnormal position. This can lead to mechanical interference and restriction of mandibular activity. Internal derangement typically causes continuous pain that will be exacerbated by jaw movement. Clicking and locking will result in restricted mandibular opening or deviation of mandibular movements during opening and closing. While there are nomenclature systems that divide TMD into classification systems including disc derangements, hypermobility disorders (subluxations), and hypomobility conditions (adhesions … Continue reading Bruxism and Temporomandibular Disorder