影响口腔综合治疗台管道水质的相关因素研究
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国家自然科学基金(81300868);江苏省高校大学生实践创新训练计划(201410312010Z)


Factors affecting the water quality of dental unit waterlines
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    摘要:

    目的:通过R2A琼脂培养法对不同科室-不同品牌以及不同使用年限的口腔综合治疗台管道水质进行检测,以初步探索可能影响口腔综合治疗台管道微生物污染情况的因素。方法:选择南京医科大学附属口腔医院牙体牙髓科及牙周科共33台口腔综合治疗台作为研究对象,在医院开诊前采集三用枪水样各50 mL,在微生物实验室对水样进行稀释并接种于干燥R2A培养基上进行细菌培养,培养结束后进行菌落计数并计算出每毫升水总菌落数。利用SPSS19.0软件对结果进行统计分析。结果:根据统计分析结果,在不同使用年限的SIRONA C8+口腔综合治疗台管道水质的比较中,差异无统计学意义。但是不同品牌以及不同科室的口腔综合治疗台管道水质比较,差异有统计学意义(P ≤0.05),品牌为SIRONA C8+以及牙体牙髓科的口腔综合治疗台管道水质情况较好。结论:不同科室以及不同品牌对口腔综合治疗台管道水质有影响,本实验中牙体牙髓科及品牌为SIRONA C8+的口腔综合治疗台管道水质较好。不同使用年限对于口腔综合治疗台管道水质未见明显影响。

    Abstract:

    Objective:To identify the potential factors influencing the water quality of dental unit waterlines(DUWLs) by examining water samples collected from dental chair units(DCUs) from different departments, brands and service lives. Methods: Water samples were collected from 33 DCUs at the Affiliated Hospital of Stomatology, NJMU. Before patients arrived, a water sample of approximately 50 mL was collected from each DCU using a three-in-one air/water syringe. The water sample was diluted, and 0.1 mL of a prepared sample was spread on a sterilized R2A plate. After incubation, the number of microbial colony-forming units per millilitre was quantified with an automatic colony analyser. Statistical analyses were performed using SPSS 19.0 software. Results: According to the statistical analyses, no significant differences of the water quality were found in SIRONA C8+ with different service lives. However, the comparison of the water quality in different departments and brands showed significant difference(P≤0.05). SIRONA C8+DUWLs and DCUs of Endodontics Departments provided better quality water. Conclusion:Different service lives did not significantly influence the water quality of DUWLs. However, different DCU brands and different departments can influence the water quality. In this study, SIRONA C8+DUWLs and DCUs of Endodontics Departments provided better quality water.

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张 元,平逸帆,时玉洁,王 娟,张光东.影响口腔综合治疗台管道水质的相关因素研究[J].南京医科大学学报(自然科学版),2016,(7):846-849

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  • 收稿日期:2016-01-21
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  • 在线发布日期: 2016-07-15
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