{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,8,28]],"date-time":"2024-08-28T15:11:32Z","timestamp":1724857892283},"reference-count":53,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2012,4,11]],"date-time":"2012-04-11T00:00:00Z","timestamp":1334102400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Comm Dent Oral Epid"],"published-print":{"date-parts":[[2012,12]]},"abstract":"Abstract<\/jats:title>Objectives<\/jats:title>This study explored whether patients with painful temporomandibular disorders (TMD<\/jats:styled-content>) differ from the general population in the frequency of self\u2010reported disability to concentrate, because altered processing of sensory information had been reported previously. Additionally, the correlation of the frequency of concentration problems with the dysfunctional grade of TMD<\/jats:styled-content> pain shall be evaluated.<\/jats:p><\/jats:sec>Methods<\/jats:title>Subjects were 286 consecutive G<\/jats:styled-content>erman patients with painful TMD<\/jats:styled-content> diagnosed using the R<\/jats:styled-content>esearch D<\/jats:styled-content>iagnostic C<\/jats:styled-content>riteria (RDC<\/jats:styled-content>\/TMD<\/jats:styled-content>) and 2026 members of a representative G<\/jats:styled-content>erman community sample. Concentration was measured using two questions, one from the \u2018O<\/jats:styled-content>ral H<\/jats:styled-content>ealth I<\/jats:styled-content>mpact P<\/jats:styled-content>rofile (OHIP<\/jats:styled-content>\u201049 G<\/jats:styled-content>)' and one from the G<\/jats:styled-content>erman version of \u2018C<\/jats:styled-content>enter for E<\/jats:styled-content>pidemiologic S<\/jats:styled-content>tudies \u2013 D<\/jats:styled-content>epression S<\/jats:styled-content>cale (CES<\/jats:styled-content>\u2010D<\/jats:styled-content>)'. The dysfunctional grade of TMD<\/jats:styled-content> pain was measured using the G<\/jats:styled-content>raded C<\/jats:styled-content>hronic P<\/jats:styled-content>ain S<\/jats:styled-content>cale.<\/jats:p><\/jats:sec>Results<\/jats:title>Responses between the two individual questions concerning the ability to concentrate (OHIP<\/jats:styled-content> item and CES<\/jats:styled-content>\u2010D<\/jats:styled-content> item) correlated moderately (r<\/jats:italic>Spearman<\/jats:sub>\u00a0=\u00a00.58, P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.001). A two\u2010sample test of proportions revealed that patients with TMD<\/jats:styled-content> pain reported a significantly greater frequency of \u2018fairly often' or \u2018very often\u2019 occurring concentration problems, 24.0%, than did the general population subjects, 1.2% (P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.001). Moreover, the frequency of concentration problems correlated with an increase in dysfunctional pain grade in the patients with TMD<\/jats:styled-content> pain (tetrachoric correlation coefficient of 0.52, P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.001).<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Self\u2010reported frequency of concentration problems is greater in patients with TMD<\/jats:styled-content> pain than in the general population and is reported at a higher frequency in patients with more severe dysfunctional pain grades. These findings are consistent with the concept that TMD<\/jats:styled-content> pain is associated with changes in the central processing.<\/jats:p><\/jats:sec>","DOI":"10.1111\/j.1600-0528.2012.00692.x","type":"journal-article","created":{"date-parts":[[2012,4,11]],"date-time":"2012-04-11T16:09:44Z","timestamp":1334160584000},"page":"507-515","source":"Crossref","is-referenced-by-count":4,"title":["Self\u2010reported ability to concentrate in patients with painful temporomandibular disorders compared to the general population"],"prefix":"10.1111","volume":"40","author":[{"given":"Oliver","family":"Schierz","sequence":"first","affiliation":[{"name":"Department of Prosthodontics and Materials Science University of Leipzig Leipzig Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Donald R.","family":"Nixdorf","sequence":"additional","affiliation":[{"name":"Division of TMD and Orofacial Pain School of Dentistry University of Minnesota Minneapolis MN 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