Modulation of myofascial pain by the reproductive hormones: A preliminary report

Dao, Thuan; Knight, Kathryn; Ton-That, V.

doi:10.1016/s0022-3913(98)70073-3

Cited by 105 publications

(86 citation statements)

References 63 publications

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“…This is accordance with many studies [14,36,[41][42][43][44][45][46][47][48]. The best explanation for that pain-free days than women suffering hormonal fl uctuations related to their naturally occurring menstrual cycles; nevertheless, the differences were not statistically signifi cant and a predominant temporal pattern could not be discerned in this small sample [49]. In the normal menstrual cycle, estrogen levels are at their lowest during menses.…”

Section: Discussionsupporting

confidence: 90%

Prevalence of Temporomandibular Joint Disorders among Yemeni University students: A prospective, cross-sectional study

Al-sanabani¹

2017

Int J Oral Craniofac Sci

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Purpose: The aim of this study was to estimate prevalence of temporomandibular Joint disorders (TMDs), among dental university student in Yemen. Material and methods:A prospective cross-sectional study was conducted in the Department of Oral Medicine and Oral Diagnosis, Faculty of Dentistry, Thamar University, Yemen. Study sample consisted of 207 university students (114 males and 93 females). Predictor's variables were age, gender and marital status. The outcomes variables were the signs and symptoms of TMDs using the Helkimo clinical dysfunction (Di) and anamnestic (Ai) indices. Results:The results revealed that prevalence of TMDs among Yemeni dental students was 41.07 % (mild: 14.01%, sever: 27.05%). In the clinical examination, 49.76 % (mild: 20.77%, moderate; 12.08% and sever; 16.91%) showed some degree of dysfunction. Females showed a signifi cant higher prevalence of TMDs than males. There was signifi cant association between the dysfunction of TMD and gender (P > 0.005). Conclusion:The result of this study showed that prevalence of TMDs among Yemeni dental students was higher than some studies have reported in the literature. Also, the results revealed that majority of studied sample were not aware of the presence of their TMD

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Section: Discussionsupporting

confidence: 90%

Prevalence of Temporomandibular Joint Disorders among Yemeni University students: A prospective, cross-sectional study

Al-sanabani¹

2017

Int J Oral Craniofac Sci

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“…5,19,20 A previous study indicates that women report more severe pain, more frequent pain, and pain of longer duration than do men. 21 At the level of masticatory muscles, myofascial pain has been reported to worsen during the menstrual and premenstrual periods 22 . In our study, all the participants were healthy subjects and JOP01-16-R 9 intervals of mechanical stimulation were short time periods (i.e.…”

Section: Discussionmentioning

confidence: 99%

Reproducibility of Visual Analog Scale (VAS) Pain Scores to Mechanical Pressure

Goddard¹,

Karibe²,

McNeill³

2004

CRANIO®

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Aims: The present study tested the reproducibility of visual analog scale (VAS) pain scores to measure changes in masseter muscle pain evoked by maximally tolerable mechanical stimulation over a short time period in healthy subjects. . This study also evaluated gender differences in reproducibility of VAS scores to mechanical stimulation. Methods: Ten healthy female and eight healthy male individuals participated in this study. The recordings of VAS pain scores to an identical mechanical pressure on the masseter muscle were performed at 3 different sessions (T1, T2 and T3). The subjects rated their pain on a VAS to a maximally tolerable stimulus that was recorded on an algometer at the first session. The algometer pressure reading was recorded for each subject and used to duplicate the same identical mechanical stimulus at each of the three sessions. This identical pressure was repeated in the same marked spot at 6 minutes and after another 30 minutes. The subject rated the pain on a VAS to this identical stimulus at each session. Results:There was no significant difference to VAS pain scores of all subjects at T1, T2, and T3.There was no significant difference in reproducibility of VAS pain scores in females compared to males. Intraclass correlation coefficients were 0.811 on the right masseter and 0.844 on the left masseter. Conclusion: In this study VAS pain scores to mechanical stimulation were reproducible over a short time period. Gender did not affect the reproducibility. This previously unreported method of measuring pain to repeated identical mechanical stimulation appears to have potential for both clinical and research application.

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“…A number of authors have studied the possible relationship between sexual differences and orofacial pain [2]- [5] [8]- [10] [13] [18]. Methodological differences and problems associated with most experimental pain studies, however, do not provide any definitive conclusion [13].…”

Section: Discussionmentioning

confidence: 99%

“…Also, the prescription of exogenous estrogen in the form of estrogen replacement in menopause or oral contraceptives during reproductive years may increase the risk of TMD [10] [11]. Some authors verified a slightly increased risk of TMD for oral contraceptives (OCs) users; however they could not attribute their results to a specific hormone, because the majority of pills were combination of estrogen and progestin [11].…”

Section: Introductionmentioning

confidence: 99%

Electrical Activities and Pressure Pain Threshold in Oral Contraceptives Users and Nonusers

Túrcio

Garcia²,

Zuim³

et al. 2014

PST

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The aim is to evaluate the influence of oral contraceptive intake and menstrual cycle on the electrical activity and pressure pain threshold from anterior temporal and masseter muscles. Twenty-eight women on reproductive age were selected, 13 OC users and 15 nonusers. They were weekly submitted to electromyography and algometry of the anterior temporal and masseter muscles during three consecutive menstrual cycles. Electrical activities at rest position and PPTs of temporal and masseter muscles were not affected by menstrual cycle or by OCs uses. Comparison between groups demonstrated that working side electrical activity was increased in OC users in both muscles, except during lutheal phase for the anterior temporal. However, comparison within weeks did not demonstrate statistical difference. It was suggested that, in healthy women, oral contraceptive use may influence electrical activity, but different phases of the cycle may not.

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Modulation of myofascial pain by the reproductive hormones: A preliminary report

Cited by 105 publications

References 63 publications

Prevalence of Temporomandibular Joint Disorders among Yemeni University students: A prospective, cross-sectional study

Prevalence of Temporomandibular Joint Disorders among Yemeni University students: A prospective, cross-sectional study

Reproducibility of Visual Analog Scale (VAS) Pain Scores to Mechanical Pressure

Electrical Activities and Pressure Pain Threshold in Oral Contraceptives Users and Nonusers

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