J Orofac Pain
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To determine whether there is a difference in terms of reliability between experienced examiners and inexperienced examiners in the measurement of signs of temporomandibular disorders (TMD). ⋯ Examiner calibration rather than professional experience seems to be the most important factor for reliable measurement of TMD symptoms.
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Randomized Controlled Trial Comparative Study Clinical Trial
Pain effects of glutamate injections into human jaw or neck muscles.
To document and compare the intensity, localization, and quality of pain evoked by glutamate injections into the human masseter or splenius muscles and to determine the effect of glutamate-evoked pain on the pressure pain thresholds (PPTs) in both jaw and neck muscles. ⋯ The data suggest that the masseter muscle is more sensitive to glutamate injections and mechanical stimuli than the splenius muscle. The relatively limited overlap between the sensory manifestations of pain from masseter and splenius muscles may have potential implications for diagnosis and management of myofascial pain complaints in the craniofacial and neck region.
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To use the human blink reflex (BR) to explore possible neuropathic pain mechanisms in patients with atypical odontalgia (AO). ⋯ No major differences between the V nociceptive pathways on the right and left sides were found in a relatively small group of AO patients. Future studies that compare BRs in AO patients and healthy volunteers are needed to provide further knowledge on the pain mechanisms in AO.
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Comparative Study
Prevalence of temporomandibular pain and subsequent dental treatment in Swedish adolescents.
To assess the prevalence of temporomandibular disorder (TMD) pain in Swedish adolescents, to evaluate whether there are differences in TMD pain in regard to age, gender, and place of residence (urban or rural), and to evaluate treatment for TMD pain and compare it with documented treatment for teeth with caries. ⋯ The prevalence of self-reported TMD pain was relatively low, increased with age, and was higher among girls than boys. One third of the patients with TMD pain received some form of TMD treatment in the dental clinics.