OBJECTIVE: The aim of this study was to compare the Pressure Pain Threshold (PPT) of the masseter and temporal muscles in the contracted and relaxed state between patients with myofascial pain (MFP) and asymptomatic individuals. MATERIALS AND METHODS: Were included 40 women divided into two groups: test group - 20 individuals with MFP; control group - 20 asymptomatic individuals. The PPT was measured using a digital algometer. First. PPT was obtained with the relaxed muscles and soon after with the contracted muscles. To compare the mean value of the PPT of each muscle between the groups the independent Student's t-test was used. To compare the means value of the PPT between contracted and relaxed musculature within each group, the Paired Student's t-test was used. All the tests were conducted with a 5% significance level. RESULTS: Patients in Test group presented lower mean PPT values in relation to Control group (p<0.05). There was an increase in the mean PPT values with contracted muscles, but this increase was not statistically significant (p>0.05). CONCLUSION: Patients with MFP present lower PPT than asymptomatic individuals. Muscle contraction was able to increase PPT in relation to relaxed muscles, but not in a statistically significant way.
OBJECTIVE: The aim of this study was to compare the Pressure Pain Threshold (PPT) of the masseter and temporal muscles in the contracted and relaxed state between patients with myofascial pain (MFP) and asymptomatic individuals. MATERIALS AND METHODS: Were included 40 women divided into two groups: test group - 20 individuals with MFP; control group - 20 asymptomatic individuals. The PPT was measured using a digital algometer. First. PPT was obtained with the relaxed muscles and soon after with the contracted muscles. To compare the mean value of the PPT of each muscle between the groups the independent Student's t-test was used. To compare the means value of the PPT between contracted and relaxed musculature within each group, the Paired Student's t-test was used. All the tests were conducted with a 5% significance level. RESULTS:Patients in Test group presented lower mean PPT values in relation to Control group (p<0.05). There was an increase in the mean PPT values with contracted muscles, but this increase was not statistically significant (p>0.05). CONCLUSION:Patients with MFP present lower PPT than asymptomatic individuals. Muscle contraction was able to increase PPT in relation to relaxed muscles, but not in a statistically significant way.
Authors: C A de Araújo Vitor; A de Oliveira Lira Ortega; A C F M Ferreira; C A-A L da Silva; M H C Gallottini; M T B R Santos Journal: Eur Arch Paediatr Dent Date: 2021-01-02