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Abstract：
Water is essential during dental care. Physical and chemical techniques should be used to maintain a good water quality with respect to bacteria, and to ensure the safety of exposed patients and dental staff. The aim of this survey was to assess the modalities used by dental practitioners in Eastern France to maintain the water quality of their dental unit waterlines (DUWLs). A questionnaire about water quality maintenance practices was sent to 870 dental offices in 2016. The questionnaires were completed by 153 dental offices, covering about 223 dental care units. The majority of units were fed by mains water (91.0%), which is generally unfiltered (71.3%). One-third (33.6%) of the units had an independent water bottle reservoir. Flushing, a basic physical technique to improve the quality of units\' outflow water, was practiced in 65.4% of dental offices. Concerning the chemical treatment of water, it was used for 62.1% of the units. An analysis of the microbiological quality of the DUWL water was only carried out in 2.6% of the offices. In conclusion, providing better training to dental staff seems necessary to improve their practices and to generalize procedures that improve the microbiological quality of the water used.
摘要：
在牙齿护理过程中，水是必不可少的。应使用物理和化学技术来保持细菌的良好水质，并确保暴露患者和牙科工作人员的安全。这项调查的目的是评估法国东部牙科医生为维持其牙科单元水线（DUWL）的水质而使用的方式。2016年向870个牙科诊所发送了一份关于水质维护实践的问卷。问卷由153个牙科诊所填写，涵盖约223个牙科护理单位。大部分机组由自来水供水(91.0%),这通常是未经过滤的(71.3%)。三分之一（33.6％）的单元具有独立的水瓶蓄水池。冲洗,改善单位流出水质量的基本物理技术，在65.4%的牙科诊所进行了实践。关于水的化学处理，它用于62.1%的单位。仅在2.6％的办公室中对DUWL水的微生物质量进行了分析。总之,为牙科工作人员提供更好的培训似乎有必要改进他们的做法，并概括提高所用水的微生物质量的程序。
