Chewing gum can lead to symptoms of temporomandibular joint disorder (TMJ), which is characterized by pain in the joints that connect your lower jaw to your skull. (bodyunburdened.com)
TMJ disorders — treatment for temporomandibular joint disorders — for individuals, small and large groups, HMO (einsurance.com)
Insert: headaches and muscle pain from Temporomandibular Joint Dysfunction (TMJD) caused by bruxism (teeth grinding at night). (willfrolicforfood.com)