2种消毒剂用于口腔综合治疗台吸唾管道固定端消毒效果比较

Comparison of two types of disinfectants on the disinfection of the fixed end of the table suction pipe in the oral comprehensive treatment table

目的 比较500 mg/L含氯消毒剂和3%过氧化氢消毒液2种清洗消毒剂应用于口腔科患者诊疗使用后的口腔综合治疗台吸唾管道固定端螺纹塑料软管的消毒效果,为临床清洁消毒提供依据。方法 选取牙髓科和颌面外科在诊疗患者使用后的各12台综合治疗台的吸唾管道固定端作为研究对象,随机分为2个实验组和1个对照组,实验1组使用500 mg/L含氯消毒剂、实验2组使用3%过氧化氢消毒液冲洗消毒,对照组用0.9%无菌生理盐水冲洗管道,连续4周,每周1次。冲洗消毒前后采集螺纹塑料软管接口处内壁样本行细菌培养及菌落计数,对比组内及组间消毒前后菌落计数,数据采用SPSS 24.0软件进行统计分析。结果 清洗消毒前,三组细菌菌落数基线均衡,差异无统计学意义(χ^(2)=0.538,P=0.764),清洗消毒后的细菌菌落数均低于冲洗消毒前的细菌菌落数,500 mg/L含氯消毒液和3%过氧化氢消毒液消毒前后具有显著性差异(Z=-4.801,P<0.001;Z=-4.429,P<0.001),组间对比500 mg/L含氯消毒液和3%过氧化氢消毒液消毒效果差异无统计学意义,但均优于对照组(χ^(2)=18.070,P<0.001)。结论 口腔综合治疗台诊疗使用后用消毒剂消毒吸唾管道,能有效降低吸唾管道固定端螺纹塑料软管接口处细菌污染,消毒方法简单易行,取材方便,值得在口腔门诊推广应用。

Objective To compare the disinfection effects of 500 mg/L chlorine-containing disinfectant and 3% hydrogen peroxide disinfectant applied to the threaded plastic hose at the fixed end of the saliva suction pipe of the oral comprehensive treatment table after diagnosis and treatment of patients in stomatology to provide a basis for clinical cleaning and disinfection.Methods The fixed ends of saliva suction pipes of 12 comprehensive treatment tables in the dental pulp department and maxillofacial surgery were selected as the research objects.The absorption was randomly divided into two groups and a control group:experimental group 1 with 500 mg/L chlorine disinfectants and experiment 2group with 3%hydrogen peroxide disinfectant rinse disinfection and the control group with 0.9%sterile saline flushing pipe once a week for four weeks.Before and after washing and disinfection,samples from the inner wall of the threaded plastic hose interface were collected for bacterial culture and colony count,and colony counts within and between groups were compared before and after disinfection.Statistical analysis was conducted using SPSS 24.0 software.Results The baseline number of bacterial colonies in the first three groups was balanced,with no statistically significant difference (χ^(2)=0.538,P=0.764).The number of bacterial colonies after washing and disinfection was lower than that before washing and disinfection.The difference between 500 mg/L chlorine-containing disinfectant and 3%hydrogen peroxide disinfectant before and after disinfection was highly significant (Z=-4.801,P<0.001;Z=-4.429,P<0.001).There was no significant difference between the disinfection effect of 500 mg/L chlorine-containing disinfectant and 3%hydrogen peroxide disinfectant,but they were both better than the control group (χ^(2)=18.070,P<0.001).Conclusion Disinfecting the saliva suction pipe with disinfectant between diagnosis and treatment can effectively reduce the bacterial contamination at the fixed end threaded plastic hose interface of the saliva suction pipe.The disinfection method is simple and convenient,and it is worth applying in the oral clinic.