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Temporomandibular joint dysfunction (TMD, TMJD) is an umbrella term covering pain and dysfunction of the muscles of mastication (the muscles that move the jaw) and the temporomandibular joints (the joints which connect the mandible to the skull).
The unique feature of the temporomandibular joint is the articular disc.The disc is composed of dense fibrocartilagenous tissue that is positioned between the head of the mandibular condyle and the mandibular fossa of the temporal bone.
Stedman's Medical Dictionary is a medical dictionary developed for medical students, physicians, researchers, and medical language specialists. Entries include medical terms, abbreviations, acronyms, measurements, and more. Pronunciation and word etymology (showing mostly Latin and Greek prefixes and roots) are provided with most definitions.
Arthroscopy involves the introduction of an arthroscope (a very thin, flexible camera) into the joint via single cannula (as opposed to arthrocentesis which usually involves 2 cannulae and no arthroscope), allowing the joint space to be visualized on a monitor and explored by the surgeon.
A patient presenting with signs of OMD alone may be misdiagnosed with TMJD. [ citation needed ] Patients with idiopathic Meige's syndrome do not quickly respond to anticholinergic drug treatments, a diagnostic sign that can help differentiate it from acute dystonia, which does respond to anticholinergic drugs.
Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; the global prevalence of bruxism (both sleep and awake) is 22.22%. [2]
According to the latest definition by The Glossary of Prosthodontic Terms, RCP is defined as "The maxillomandibular relationship in which the condyles articulate with the thinnest avascular portion of their respective discs, with the complex in the anterior-superior position against the slopes of the articular eminences.
Abbreviation Meaning T: Thoracic Vertebrae. Testosterone. T x: Treatment: T3 Triiodothyronine: T4 Thyroxine: TA: temporal arteritis T&A: tonsillectomy with adenoidectomy: T&C: type and cross-match (see blood transfusion)