• Ana Maria Moreno-Fernández, Emilio Jiménez-Castellanos, Alejandro Iglesias-Linares, Débora Bueso-Madrid, Ana Fernández-Rodríguez, and Manuel de Miguel.
• a Departamento de Citología e Histología Normal y Patológica, Facultad de Medicina , Universidad de Sevilla , Sevilla , Spain.
• Mod Rheumatol. 2017 Mar 1; 27 (2): 210-216.

ObjectivesTemporomandibular disorders (TMD) refer to a group of clinical picture affecting the masticatory muscles and temporomandibular joint that are characterized by muscular or joint pain, dysfunction (limited or altered functions) and joint noises, as well as other associated symptoms, such as tension headaches, otalgia, dizziness, tinnitus, and others. Fibromyalgia (FM) is a syndrome of unknown etiology involving generalized chronic pain accompanied, in a high percentage of cases, by other symptoms such as asthenia, anxiety, depression, sleep disturbances, and other less frequent symptoms, such as temporomandibular disorders (TMD).DataData were compiled by two experienced examiners following a specific form.SourcesAn electronic search was carried out in the Cochrane Central Register of Controlled Trials (CENTRAL), PUBMED, and SCOPUS electronic databases (up to April 2016, unrestricted by date or language).Study SelectionComparative clinical studies with patients with both clinical pictures involving the study of pathogenic processes.ConclusionsFibromyalgia and temporomandibular disorders with muscle pain both have profiles that affect the muscular system and therefore share many epidemiological, clinical, and physiopathological symptoms. Because of this, we are led to think that there is, if not a common etiology, at least a common pathogenesis. This article revises the physiopathological processes of both clinical pictures in an attempt to determine their similarities and likenesses. This would undoubtedly help in providing a better therapeutic approach.

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