Interrelationship between temporomandibular joint osteoarthritis (OA) and cervical spine pain: Effects of intra-articular injection with hyaluronic acid.

A protocol of TMJ intra articular arthrocentesis and viscosupplementation improved cervical function and reduced disability in patients with concurrent cervical spine pain. These findings add to the complex amount of literature on the relationship between temporomandibular disorders and cervical spine disorders.