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Hasanain F, Durham J et al. J Dent 2009; 37: 955–962

The Research Diagnostic Criteria for TMD (RDC/TMD) is rarely used in general practice, although this tool is the 'gold standard'. The aim of this study was to determine if a simplified version of the RDC/TMD's clinical examination, called the Clinical Examination Protocol-TMD (CEP-TMD), would have similar validity but be quicker to carry out than RDC/TMD. Using both versions, three examiners examined 41 patients with TMD and 8 symptom-free subjects. There was 'substantial overall agreement between the CEP-TMD and the RDC/TMD (kappa = 0.70)'. When compared with RDC/TMD, CEP-TMD reduced the time for the examination from a mean time of 10.3 to 7.5 minutes. The time required to diagnose these conditions is trivial in comparison with the significant impact they can have on patients' quality of life. CEP-TMD can be seen as an online video at http://www.ncl.ac.uk/dental/AppliedOcclusion.