目的 观察五倍子含漱液在口腔种植牙术后患者中的应用效果.方法 将100例口腔种植牙术后患者按随机数字表分成观察组和对照组各50例.观察组患者采用五倍子含漱液,对照组患者采用西吡氯铵含漱液,术后连续使用7 d.比较两组切口疼痛情况、切口愈合情况以及手术区域邻牙牙周情况.结果 观察组患者切口疼痛程度低于对照组,比较差异有统计学意义(P<0.05);观察组患者手术区域邻牙的牙菌斑指数低于对照组,比较差异有统计学意义(P<0.05);两组患者切口愈合情况比较差异无统计学意义(P>0.05).结论 五倍子含漱液在减轻口腔种植牙术后患者疼痛、抑制手术区域邻牙牙菌斑方面的效果优于西吡氯铵含漱液.

目的观察不同干燥方法对牙种植手术器械性能的影响。方法将两套种植器械清洗后按干燥方法分为机器烘干(机器组)和毛巾擦干(手工组),器械循环使用6周,采用三磷酸腺苷相对发光值测定、放大镜下观察器械清洁度、电镜扫描观察评价器械性能。结果相对发光值测定,器械使用开始3周两组比较无统计学意义(P>0.05),第4周起两组比较均有统计学意义(P<0.05);经放大镜观察,两组使用3周内器械清洁度均合格,3周后器械清洁度不合格数增加;器械使用6周后电子显微镜扫描,机器组器械表面腐蚀点与刀刃面磨损均低于手工组。结论使用机器干燥方法有利于保持牙种植器械的性能。

Objective To evaluate the clearing effect of different concentration Chinese Gallnut water extract on the biofilms in dental unit water lines.Methods The dental unit water lines were divided into two groups.The biofilms in the two groups were cleared by different concentration Chinese Gallnut water extract(100mg/ml vs.62.5mg/ml) for four weeks.The formation of biofilms were observed through laser confocal microscopy after they were dyed by fluorescent yellow at the first,second,third and fourth week after intervention.At the same time,the samples were collected in the cooling water for bacteria culture.Results Before intervention,there was no significant difference in the fluorescent intensity or the bacteria colonies in the cooling water between the two groups(P>0.05).After intervention,there were significant differences in the above index between the two groups(P<0.05).There was positive correlation between the bacteria colonies and the fluorescent intensity.Conclusion Chinese Gallnut water extract can effectively remove the biofilm.The removal efficiency is proportional to the concentration and time.