J Orofac Pain
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Comparative Study
Comparison of clinical findings and psychosocial factors in patients with atypical odontalgia and temporomandibular disorders.
To systematically compare clinical findings and psychosocial factors between patients suffering from atypical odontalgia (AO) and an age- and gender-matched group of patients with temporomandibular disorders (TMD). ⋯ AO and TMD share some characteristics but differ significantly in report of dental trauma, jaw function, pain duration, and pain site.
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Comparative Study
Association between rhythmic masticatory muscle activity during sleep and masticatory myofascial pain: a polysomnographic study.
To test for an association between rhythmic masticatory muscle activity during sleep, as assessed according to polysomnographic criteria for sleep bruxism (RMMA-SB), and myofascial pain (MFP), as well as the chance of occurrence of MFP in patients with RMMA-SB. ⋯ (1) RMMA-SB is significantly associated with MFP; (2) although RMMA-SB represents a risk factor for MFP, this risk is low; and (3) DC probably constitutes a stronger risk factor for MFP than RMMA-SB.
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To investigate chronic orofacial pain experience, psychosocial impact, and help-seeking response in adult Chinese people in Hong Kong. ⋯ The prevalence of current/episodic orofacial pain was relatively high, whereas chronic orofacial pain was much less common. Although the intensity of chronic orofacial pain was significant, associated psychosocial disability was low, as was the level of perceived need for treatment. These findings may be related to more effective pain-coping strategies and greater acceptance of pain in this ethnic group compared to other ethnic groups.
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To test whether extraction of the 2 subscales in the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) affected the subscale score reliability and whether scores from the RDC/TMD subscales are comparable to the same scales when the whole Symptom Check List-90 (SCL-90R) is administered. ⋯ Whether items from other subscales are present or not does not affect the internal reliability or parallel forms reliability of the total scores from either depression or somatization. Context of administration, via order of forms completion, does not alter total score or reliability of depressive items but may alter total scores for somatization.
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To test the hypothesis that temporomandibular disorder (TMD) patients have characteristic diurnal patterns of pain that are associated with diurnal or nocturnal parafunctions. ⋯ Strongly linear or curvilinear patterns of pain were not characteristic of this sample of subjects. More than half the subjects reported slightly increasing pain during the day, but the variability within groups was considerable. Increasing and decreasing patterns of pain were independent of self-reported daytime and nighttime clenching and grinding. Self-reported pain patterns may not be used to reliably infer the times when parafunctional activities occur. The presence of lower pain levels during the weekend probably reflects reduction in psychosocial stressors associated with the work week.