Abstract
ABSTRACTThe relationship between Temporomandibular Disorders (TMD) and malocclusion is an extremely critical issue in dentistry. Contrary to the old concept that malocclusion causes TMD, occlusal changes, especially those observed as sudden, may be secondary and reflect joint or muscle disorders due to the obvious connection between these structures and the dental occlusion. ObjectivesThe aim of this article is to present the most commonly occlusal changes secondary to TMD.MethodsThe clinical presentation of these conditions is discussed. Details regarding diagnosis, treatment, and follow-up of patients presenting TMD prior or during treatment are also presented.ConclusionsAll plans for irreversible therapy should be preceded by a meticulous analysis of TMD signs and symptoms in such a way that patients are not submitted to irreversible treatment, based on an untrue occlusal relationship, secondary to articular and/or muscular disorders. When present, TMD symptoms must always be controlled to reestablish a “normal” occlusion and allow proper treatment strategy.
Highlights
The relationship between Temporomandibular Disorders (TMD) and malocclusion is an extremely critical issue in dentistry
In the 1980s, a lawsuit declared that orthodontic treatment was the main cause of TMD236LQFHWKHQDVLJQL¿FDQWQXPEHU of studies have been conducted to investigate this association
Most recent studies have shown no difference in relation to signs and symptoms of TMD among subjects with malocclusion and those with normal occlusion[3,20] as well as between orthodontically treated and non-treated individuals[3,13]
Summary
The relationship between Temporomandibular Disorders (TMD) and malocclusion is an extremely critical issue in dentistry. Studies have suggested that malocclusion and occlusal interferences were main factors in TMD development, validating LUUHYHUVLEOH RFFOXVDO WKHUDSLHV DV WKH GH¿QLWLYH treatment of the disorder[9,25]. An acute malocclusion refers to any sudden change in the occlusal relationship that has been developed by a disorder[24]. This may be a momentary or prolonged condition[29]. The aim of this article is to present some conditions of occlusal changes, secondary to temporomandibular joint conditions, introducing the dental professional to the great importance of their recognition and of the evaluation of signs and symptoms of TMD prior to treatment planning
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