Temporomandibular disorders is a collective term used to describe a number of related disorders affecting the temporomandibular joints, masticatory muscles, and associated structures, all of which have common symptoms such as pain and limited mouth opening. Although specific reasons such as degenerative arthritis and trauma underlie some TMD, as a group these conditions have no common origin or biological explanation and consist of a mixed group of health problems whose signs and symptoms are overlapping, but not necessarily alike. Depending on the examining dentist and the diagnostic procedures, the term TMD has been used to characterize a wide range of conditions diversely presented as pain in the face or jaw joint area, headaches, earaches, dizziness, limited mouth opening, locking of the jaw (closed or open lock ), unusual signs of wear and tear on the biting areas of the teeth, clicking or popping sounds in the jaw joint, and other complaints. The seve...
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