Occlusal interventions for managing temporomandibular disorders
Abstract
Background: Temporomandibular disorders (TMD) are conditions related to the musculoskeletal structure of the temporomandibular joint, which may lead to muscle or joint pain and other health issues. TMD may present in muscles only (myogenous), joints only (arthrogenous), or both (mixed), and may affect one side or both sides of the face. Myogenous TMD may present with or without limited mouth opening. Arthrogenous TMD may present as disc displacement with or without reduction ('reduction' meaning the articular disc resumes its normal position when the jaw is moving). Occlusal interventions change the occlusal relationship of maxillary and mandibular teeth to improve the alignment of the tooth contact, with the aim of relieving pain, and improving psychosocial functioning and quality of life. Occlusal interventions include splints and adjustments. Occlusal splints are specially designed mouth guards; they are generally classified as stabilisation, reflex or repositioning splints. Occlusal adjustment is the grinding down of teeth to improve occlusion.
Objectives: To assess the effects of occlusal interventions in people diagnosed with temporomandibular disorders (TMD), compared to other interventions or no treatment, on joint pain, muscle pain at rest and when chewing, quality of life, discomfort, and recurrence.
Search methods: Cochrane Oral Health's Information Specialist searched following sources up to 9 August 2022: Cochrane Oral Health's Trials Register, Cochrane Central…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 3,000 participants or records.
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