A pilot study was conducted at a dental clinic to identify (a) the prevalence of musculoskeletal cumulative trauma disorders (MCTD), (b) associated symptoms (with special attention paid to carpal tunnel syndrome [CTS]), and (c) practitioners at risk. Videotapes, two questionnaires, a medical record review, and interviews were used. Forty-five dental workers participated and were classified into three categories: (a) dentists, (b) dental assistants and special assistants (DA/SA), and (c) dental hygienists and dental assistant-expanded function (DH/DAEF). Categorical data were analyzed using the chi- square statistic and risk ratios. The Fisher exact probability test was used for categorical data with a small cell. One or more symptoms associated with CTS were noted by 75.6% of the dental workers, 11% reported diagnosed CTS, and 53% reported back and shoulder pain. Both psychosocial factors and job demands appear to be associated with MCTD. All three categories of dental workers reported MCTD symptoms, and the DH/DAEF group was found to be at greatest risk for developing upper extremity symptoms, CTS, and back pain.

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