Trismus and subluxation Health, Medicine, Nursing Coursework

Trismus and Subluxation
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Trismus and Subluxation
Trismus originates from Greek terminology ‘trismus,’ which refers to gnashing, with regard to teeth. It is a painful ‘lockjaw’ that results from sustained, tetanic spasm of masticatory muscles and contracture (Santiago-Rosado, & Lewison, 2020), which is seen in tetanus, trauma, orofacial infection, inflammation, myositis ossificans, and extra-articular fibrosis, among others. It is characterized by either bilateral or unilateral restricted mouth opening, which can adversely affect normal speech, eating, and swallowing. Bilateral mouth restriction or trismus occurs as a result of elevated tone that is mediated by trigeminal nerve reflex arc. Trismus usually resolved in less than two weeks, but there a possibility of permanent trismus too.
Subluxation is more broad terminology that describes a partial dislocation of a joint; in this case, it is the dislocation of the temporomandibular. In temporomandibular joint (TMJ) subluxation, there is dislocation of a condyle and it rests on the anterior to articular eminence which is followed with the collapse of articular space. The contact touches on the eminence anterior slope, thereby; failing to restore its close position. The mandibular condyle inserts itself into mandibular ...