J Orofac Pain
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Comparative Study
Peripheral painful traumatic trigeminal neuropathy: clinical features in 91 cases and proposal of novel diagnostic criteria.
To field-test carefully designed criteria for pain following trigeminal nerve trauma. ⋯ Overall, the proposed PPTTN criteria have proven to be clinically useful. In view of these results, modified PPTTN diagnostic criteria are proposed for use in future research.
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To test whether patients with temporomandibular disorder (TMD) pain differ from subjects from the general population with regard to their stress-related coping styles. ⋯ Differences in the applied stress-related coping styles of TMD patients and subjects without TMD may have implications for clinical decision making and choosing among treatment alternatives.
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Multicenter Study
Pain and pain behavior in burning mouth syndrome: a pain diary study.
To characterize pain related to primary burning mouth syndrome (BMS) in terms of intensity, interference, and distress caused by the pain, as well as factors influencing the pain across a period of 2 weeks, and to study the use of coping and management strategies on a daily basis. ⋯ There were considerable differences in pain, in factors influencing the pain, and in pain behavior across BMS patients. This indicates that patient information and education as well as treatment of BMS pain should be individualized.
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To test the hypothesis that estimates of time spent in tooth contact are significantly greater than estimates of time spent clenching, and to test the hypothesis that tooth contact is greater in pain patients, particularly those reporting facial or head pain, than those with pain elsewhere in the body. ⋯ Results from the logistic regressions provide convergent validity on the importance of oral parafunctions, specifically tooth contact and clenching, to facial/head pain. For assessment of oral parafunctional behaviors, inquiries that utilize clear behavioral referents (tooth contact versus clenching) are likely to result in more accurate estimates than behaviors with unclear definitions.
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Randomized Controlled Trial
Experimental stressors alter hypertonic saline-evoked masseter muscle pain and autonomic response.
To test in a randomized controlled trial, if hypertonic saline (HS)-evoked pain and autonomic function are modulated by either a cold pressor test (CPT) or mental arithmetic stress induced by a paced auditory serial addition task (PASAT). ⋯ CPT and PASAT reduced HS-evoked masseter muscle pain and altered the autonomic response. The increase in heart rate following CPT and PASAT may be caused by different mechanisms. CPT reduced measures of efferent cardiac vagal (parasympathetic) activity, while the PASAT-induced increase in heart rate, but unchanged HRV, may suggest neurohumoral activation.