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MINERVA STOMATOLOGICA

A Journal on Dentistry and Maxillofacial Surgery


Official Journal of the Italian Society of Odontostomatology and Maxillofacial Surgery
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Minerva Stomatologica 2004 July-August;53(7-8):429-38

language: English, Italian

Diagnosis of temporomandibular disorders according to RDC/TMD axis I findings, A multicenter italian study

Manfredini D., Segù M., Bertacci A., Binotti G., Bosco M.


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Aim. The aim of the present study was to evaluate the prevalence of the different Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) Axis I types of temporomandibular disorders (TMD) in a population of subjects seeking for TMD treatment at 2 University Departments in Italy and to compare it with data from similar studies in the literature, in order to assess the usefulness of the RDC/TMD classification system as a tool for epidemiological data gathering and multicenter and cross-cultural comparison.
Methods. A total of 210 consecutive patients seeking for TMD treatment at the Section of Prosthetic Dentistry, Department of Neuro-science, University of Pisa, Italy, and 109 consecutive patients seeking treatment at the Section of Prosthetic Dentistry and Temporo-mandibular Disorders, University of Pavia, Italy, were assessed using RDC/TMD.
Results. Only 181 of the patients referring to the University of Pisa and 104 of those referring to the University of Pavia satisfied the criteria for inclusion. Findings from the 2 study populations were very similar. Mean age of the patients was 40 years, with a female:male ratio of 3.5:1 (222 females, 77.9%; 63 males, 22.1%).
The prevalence of RDC/TMD Axis I diagnoses was 50.2% (143/285) for Group I disorders (muscle disorders), 38.6% (110/285) for Group II disorders (disc displacement), and 50.2% (143/285) for Group III disorders (arthralgia, osteoarthritis, osteoarthrosis).
Conclusion. Results from the present investigation have confirmed the usefulness of the RDC/TMD classification system for research purposes and for data gathering in cross-cultural and multicenter comparisons.

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