Bruxism Research Today is a free monthly online journal that collates and summarizes the latest research about Bruxism, including details on grinding teeth, sleep, headaches, treatment. | ||||||||
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The prevalence of signs and symptoms of temporomandibular disorders in very old subjects.Schmitter M, Rammelsberg P, Hassel A Poliklinik für Zahnärztliche Prothetik, Im Neuenheimer Feld, Heidelberg, Germany. marc_schmitter@med.uni-heidelberg.de Previous studies on the prevalence of signs of temporomandibular disorders (TMD) in elderly people have used non-standardized and invalidated examination protocols. The prevalence of the different signs of TMD in this group is therefore still unclear. The aim of this study was to evaluate the prevalence of signs of TMD in subjects of advanced aged, using a standardized and validated examination protocol. Additionally, young subjects were examined as a control group. Fifty-eight old peoples' home inhabitants and 44 young subjects were examined using a standardized and validated examination protocol. Differences between the groups were assessed using Mann-Whitney U-test or t-test. Geriatric subjects more often exhibited objective symptoms of TMD (38% exhibited joint sounds on opening), but rarely suffered from pain (pain at rest: 0%, joint pain: 0%, muscle pain: 12%). In contrast, young subjects rarely exhibited objective symptoms (joint sounds: 7%), but suffered more frequently from pain (facial: 7%, joint pain: 16%, muscle pain: 25%). The mandibular range of motion was higher in young subjects. Differences between the groups with respect to joint sounds, muscular palpation pain and mandibular range of motion were significant. Although older subjects more frequently exhibited objective signs (joint sounds) of TMD, they rarely suffered from pain. In contrast, younger subjects rarely exhibited objective TMD signs but more frequently suffered from subjective signs (muscular pain on palpation) and facial pain. Published 24 June 2005 in J Oral Rehabil, 32(7): 467-73.
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