The aim of the present study was to perform a systematic review of the literature on the
effects of low-level laser therapy in the treatment of TMD, and to analyze the use of
different assessment tools. [Subjects and Methods] Searches were carried out of the
BIREME, MEDLINE, PubMed and SciELO electronic databases by two independent researchers for
papers published in English and Portuguese using the terms: “temporomandibular joint laser
therapy” and “TMJ laser treatment”. [Results] Following the application of the eligibility
criteria, 11 papers were selected for in-depth analysis. The papers analyzed exhibited
considerable methodological differences, especially with regard to the number of sessions,
anatomic site and duration of low-level laser therapy irradiation, as well as irradiation
parameters, diagnostic criteria and assessment tools. [Conclusion] Further studies are
needed, especially randomized clinical trials, to establish the exact dose and ideal
parameters for low-level laser therapy and define the best assessment tools in this
promising field of research that may benefit individuals with signs and symptoms of
TMD.
A single session of combined phototherapy was capable of reducing pain intensity in individuals patients with TMD. ClinicalTrials.gov (NCT02018770). Implications for Rehabilitation Phototherapy device combining two light sources (LED and laser), and different densities in the same device is a novelty in the rehabilitation market, and has proved to be a useful intervention for people with temporomandibular disorders. This mode of phototherapy is another option that assists in the rapid intervention in pain symptoms, promoting a considerable degree of comfort to the patient moments after its application.
BackgroundThe stomatognathic system and dysfunction in this system may be related to postural control. The proposal of the present study is to assess the effect of mandibular mobilization in individuals with temporomandibular disorder using surface electromyography of the muscles of mastication and stabilometric variables.Methods/DesignA randomized, controlled, blind, clinical trial will be carried out, with the participants divided into three groups: 1) facial massage therapy (control group), 2) nonspecific mandibular mobilization and 3) specific mandibular mobilization. All groups will be assessed before and after treatment using the Research Diagnostic Criteria for Temporomandibular Disorders, surface electromyography of the masseter and temporal muscles and stabilometry. This study is registered with the Brazilian Registry of Clinical Trials (RBR9x8ssz).DiscussionA large number of studies have employed surface electromyography to investigate the function/dysfunction of the muscles of mastication and associations with signs and symptoms of temporomandibular disorders. However, it has not yet been determined whether stabilometric variables offer adequate reliability in patients with this disorder. The results of the proposed study will help determine whether specific and/or nonspecific mandibular mobilization exerts an effect on the muscles of mastication and postural control. Moreover, if an effect is detected, the methodology defined in the proposed study will allow identifying whether the effect is local (found only in the muscles of mastication), global (found only in postural control) or generalized.
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