J Orofac Pain
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To study the age- and gender-related prevalence of signs of temporomandibular disorders (TMD) in the Finnish adult population. ⋯ Signs of TMD may be more common among the elderly than is usually reported.
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To investigate the degree and duration of neuronal hyperexcitability due to local inflammatory trauma after surgical removal of an impacted mandibular third molar. ⋯ These results indicate that even a minor surgical procedure in the orofacial region may be sufficient to evoke hyperexcitability in an area adjacent to the surgical wound for up to 30 days. The decreased adaptive capacity in the patient group also suggests the involvement of central pain-regulatory mechanisms in response to the surgical trauma.
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Randomized Controlled Trial
Effects of local serotonin administration on pain and microcirculation in the human masseter muscle.
To investigate whether exogenously administered 5-hydroxytryptamine (5-HT) at high or low concentration influences pain and microcirculation in the human masseter muscle. ⋯ Intramuscular administration of 5-HT at 1,000 micromol/L into the human masseter muscle induced pain, but 5-HT did not have any effect on local blood flow at either concentration.
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To develop a German-language version of the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) through a formal translation/back-translation process, to summarize available data about their psychometric properties, and to provide new data about psychometric testing of components of the RDC/TMD. ⋯ The psychometric properties and international comparability of the German version of the RDC/TMD (RDC/TMD-G) make this instrument suitable for the assessment of TMD in Germany.
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Craniofacial pain is a term that encompasses pain in the head, face, and related structures. Multiple etiologies and factors may be related to craniofacial pain; however, the association between the cervical spine and its related structures and craniofacial pain is still a topic of debate. The objective of this critical review was to present and analyze the evidence of the associations between the cervical spine, stomatognathic system, and craniofacial pain. ⋯ The information provided by this review suggests an association between the cervical spine, stomatognathic system, and craniofacial pain, but most of this information is not conclusive and was derived from poor-quality studies (levels 3b, 4, and 5 based on Sackett's classification). Better designed studies are needed in order to clarify the real influence that the cervical spine has in relation to the stomatognathic system and craniofacial pain.