J Orofac Pain
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To determine whether symptoms of post-traumatic stress disorder (PTSD) are related to the pain of temporomandibular disorders (TMD) in a community-based sample of female twin pairs, and if so, to ascertain whether the association is due to the presence of chronic widespread pain (CWP) and familial/genetic factors. ⋯ PTSD symptoms are strongly linked to TMD pain. This association could be partially explained by genetic vulnerability to both conditions but is not related to the presence of CWP. Future research is needed to understand the temporal association of PTSD and TMD pain and the genetic and physiological underpinnings of this relationship.
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Comparative Study
Experimental jaw-muscle pain has a differential effect on different jaw movement tasks.
To determine the effects of experimental jaw-muscle pain on jaw movements. ⋯ The data indicate that the effect of pain on jaw movement may vary with the task performed.
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To develop a Malay-language version of the Axis II Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) through a formal translation/back-translation process and to summarize available data about the psychometric properties of the translated scales. ⋯ The cross-cultural adaptation of the RDC/TMD into the Malay language is suitable for use in Malaysia.
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Case Reports
Intraosseous lesion in mandibular condyle mimicking temporomandibular disorders: report of 3 cases.
Pain and dysfunction in the temporomandibular joint (TMJ) region represent a diagnostic challenge. Temporomandibular disorders (TMD) are usually diagnosed by means of a thorough patient history and comprehensive clinical examination. ⋯ Neoplasms and pseudotumors of the TMJ are quite uncommon, but their early recognition is necessary in order prevent the delay of correct treatment. This report describes 3 cases of different intraosseous lesions of the mandibular condyle in which the patient was erroneously first treated for a TMD.
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Nasopharyngeal cancer can occur in any age group and is often misdiagnosed. Cervicogenic headache (CEH) is a clinical condition, putatively originating from nociceptive structures in the neck. A patient with CEH-like symptoms occurring as a result of nasopharyngeal cancer invasion is reported. ⋯ Cervical computerized tomography revealed a solid tumor in the right parapharyngeal region, adjacent to the C2-C3 vertebrae. To the authors' knowledge, this is the first case in the literature of tumoral invasion of nasopharyngeal cancer presenting as CEH. Cervical neuroimaging is obligatory in patients with late-onset, severe CEH.