The Influence of Myofascial Temporomandibular Disorder Pain on the Pressure Pain Threshold of Women During a Migraine Attack

• Autores: Lívia Maria Sales-Pinto Fiamengui, João José Freitas de Carvalho, Carolina Ortigosa Cunha, Leonardo Rigoldi Bonjardim, Jorge Francisco Fiamengui Filho, Paulo César Rodrigues Conti
• Localización: Journal of Oral & Facial Pain and Headache, ISSN-e 2333-0376, ISSN 2333-0384, Vol. 27, Nº. 4, 2013, págs. 343-349
• Idioma: inglés
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  • Aims: To assess the influence of myofascial temporomandibular disorder (TMD) pain on the pressure pain threshold (PPT) of masticatory muscles in women during a migraine attack. Methods: The sample comprised 34 women, 18 to 60 years of age, with a diagnosis of episodic migraine previously confirmed by a neurologist. All subjects were evaluated using the Research Diagnostic Criteria for TMD (RDC/TMD) to determine the presence of myofascial pain. They were divided into two groups: group 1 (n = 18) included women with migraine; group 2 (n = 16) included women with migraine and myofascial TMD pain. Participants were evaluated by measuring PPT values of the masseter and anterior temporalis muscles and Achilles tendon with a pressure algometer at two moments: pain free and during a migraine attack. A three-way analysis of variance with a 5% significance level was used for statistical purposes. Results: Significantly lower PPT values were found during the migraine attack, especially for women with concomitant myofascial pain, regardless of the side of the reported pain. Conclusion: Migraine attack is associated with a significant reduction in PPT values of masticatory muscles, which appears to be influenced by the presence of myofascial TMD pain. J Orofac Pain 2013;27:343–349. doi: 10.11607/jop:1059