Journal of Prevention and Treatment for Stomatological Diseases ›› 2017, Vol. 25 ›› Issue (4): 258-260.doi: 10.12016/j.issn.2096-1456.2017.04.012

• Prevention and Treatment Practice • Previous Articles     Next Articles

Comparison of surface disinfection method on frequently touched objects in dental clinic

Li-wen ZHOU(), Nian-xiang BAO, Wei-yan LUO, Yan-feng YANG, Zhi-juan ZHANG   

  1. Shenzhen Longgang Central Hospital Department of Stomatology, Shenzhen 518116, China
  • Received:2016-05-10 Revised:2016-07-13 Online:2017-04-20 Published:2018-09-03

Abstract:

Objective To compare the bacteriostatic effect of two disinfections on the surface of frequently touched objects in dental clinic, so as to provide the reference for proper disinfection. Methods Specimens from the control panel and surface of examination table of comprehensive treatment chair were taken for bacterial culture, record the bacteria content on the objects surface. Then disinfect the objects surface by using 500 mg/L chlorine-containing disinfectant (routing group) and Gamma disinfecting wet wipes (test group) respectively, compare the qualified rate of bacteriostasis on object surfaces between two group. Results After 10-minute disinfection on surfaces, bacteriostatic rate of routing group and test group was (91.66 ± 7.52)% and (93.87 ± 6.12)% respectively, there was no significant difference between two groups (P > 0.05). Conclusion The quaternary ammonium disinfectant for the dental clinic objects can reach the same effect as chlorine-containing disinfectant.

Key words: Dental clinic, Surface of frequently touched objects, Bacteria, Effective disinfectant containing, Gamma disinfecting wet wipes

CLC Number: 

  • R187

Table 1

Comparision of bacterial colonies before and after disinfection between two groups"

Table 2

Distribution of bacteria on the surface of the object"

病原菌 常规组 试验组
株数 构成比(%) 株数 构成比(%)
金黄色葡萄球菌 6 22.22 4 21.05
表皮葡萄球菌 4 14.81 3 15.78
鲍氏不动杆菌 5 18.51 4 21.05
铜绿假单胞菌 5 18.51 3 15.78
肺炎克雷伯菌 4 14.81 3 15.78
格式李斯特菌 3 11.11 2 10.52
合计 27 100 19 100
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