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目的:调查三甲口腔专科医院护士职业性肌肉骨骼疾患患病现状。方法:采用便利抽样方法，于2019年11月14—27日应用基于中国人群修订的电子版北欧肌肉骨骼疾患问卷对北京市2家三甲口腔专科医院的496名一线护士的一般资料、职业性肌肉骨骼疾患情况和工作因素进行横断面调查。结果:本研究共回收问卷496份，有效问卷为483份。口腔护士职业性肌肉骨骼疾患年患病率为68.3%（330/483），在9个身体部位中，位列前4位的发病部位分别为颈部、肩部、下背部和上背部。文化程度是职业性肌肉骨骼疾患的独立危险因素（n P<0.01），体育锻炼是保护因素（n P<0.05）。n 结论:口腔护士职业性肌肉骨骼疾患发病状况不容乐观，应尽早筛查高危人群，鼓励护士加强体育锻炼，并对颈、肩和背部肌肉骨骼疾患进行重点干预，避免出现不可逆的肌肉骨骼功能下降，影响口腔护士的生理健康和职业发展。“,”Objective:To investigate the prevalence of work-related musculoskeletal disorders among nurses in ClassⅢ Grade A stomatology hospitals.Methods:Using the convenient sampling method, a cross-sectional survey was conducted on general information, prevalence of work-related musculoskeletal disorders and working factors of 496 front-line nurses from two ClassⅢ Grade A stomatology hospitals in Beijing from November 14 to 27, 2019 by using the revised electronic version of Nordic Musculoskeletal Disorders Questionnaire revised based on the Chinese population.Results:A total of 496 questionnaires were collected and 483 were valid. The annual prevalence rate of work-related musculoskeletal disorders among dental nurses was 68.3% (330/483) . Among the 9 body parts, the top 4 affected parts were neck, shoulder, lower back and upper back. Education level was an independent risk factor for work-related musculoskeletal disorders (n P<0.01) , while physical exercise was a protective factor (n P<0.05) .n Conclusions:The incidence of work-related musculoskeletal disorders among dental nurses is not optimistic.It is necessary to screen high-risk groups as soon as possible, encourage nurses to strengthen physical exercise and carry out key interventions for neck, shoulder and back musculoskeletal diseases to avoid irreversible decline in musculoskeletal function, which may affect the physical health and career development of dental nurses.