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Effectiveness of dry needling on the local pressure pain threshold in patients with masticatory myofascial pain. Systematic review and preliminary clinical trial

Ricardo De Souza Tesch, Leonora Cristina Da Silva Parente Macedo, Fabrício Sanches Fernandes, Gilberto Senechal De Goffredo Filho, Cristiana Pessoa De Queiroz Faria Goes
Cranio: the Journal of Craniomandibular Practice 2019 March 27, : 1-9

OBJECTIVE: To systematically review the literature to identify controlled clinical trials evaluating the effectiveness of deep dry needling (DDN) in the treatment of patients with chronic masticatory myofascial pain (MMP).

METHODS: The sample size for a clinical trial was calculated and involved five patients who consecutively presented for treatment of MMP. The percentage of change in the means of three consecutive measurements of the pressure pain threshold (PPT) of myofascial trigger points (MTPs) was calculated and the statistical significance of this difference evaluated using the Wilcoxon test.

RESULTS: Twenty-five studies were considered for inclusion based on title and abstract. Only 2 studies met the inclusion criteria and were used to calculate the sample size. DDN significantly increased (p = 0.04) the PPT in MTP (44.6%) compared with sham procedure (-5.5%).

CONCLUSION: Patients with chronic MMP treated with DDN of MTPs showed an increase in PPT measurements on the experimental side.

ABBREVIATIONS: CGRP: calcitonin gene-related peptide; DC/TMD: diagnostic criteria for temporomandibular disorders; DDN: deep dry needling; DN: dry needling; LILACS: Latin American and Caribbean Health Sciences; MMP: masticatory myofascial pain; MTP: myofascial trigger point; MTPs: myofascial trigger points; PPT: pressure pain threshold; RCTs: randomized clinical trials; SciELO: Scientific Electronic Library Online; SP: Substance P; TMD: temporomandibular disorders.


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