Objective: to discuss the main point of the application of four-handed dentistry used in magnetic over-denture for the defect or miss of the denture in department of stomatology.

目的探讨口腔科门诊采用磁性附着体覆盖义齿修复牙列缺损或缺失过程中的护理配合要点。

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Methods: Various dangerous factors of professional exposure faced by the nursing staff in oral department in the four-handed dentistry were analyzed so as to explore and work out effective strategy.

方法：通过分析口腔科护理人员在四手操作中面临的各种职业暴露危险因素，探索并制定有效的防护策略。

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