Influence on the bacteria and fungi taken from the impressions after the use of two kinds of mouthwashes

doi:10.3969/j.issn.2095-4344.2013.38.023

Abstract

Abstract:

BACKGROUND: There are many methods for dental impression disinfection, including ultraviolet disinfection method, spraying, immerses disinfection method, argon plasma jet and radio frequency glow discharge on the argon gas ionization disinfection method. At present, there is still lack of studies addressing the disinfection effect after gargling with mouthwash.
OBJECTIVE: To detect the killing effect on bacteria and fungi from the dental impressions, which are taken after gargling with cetylpyridinium chloride gargle and stable chlorine dioxide gargle, respectively.
METHODS: One hundred patients were randomly divided into cetylpyridinium chloride gargle group and stable chlorine dioxide gargle group. They were told to gargle with clean water for 1 minute, and then impressions were taken to remove the models with sterile cotton swab sampling in neutralizing agent which were sent to laboratory for bacteria and fungi culture. After 1 hour, the patients were asked to gargle with the different mouthwashes for 1 minute again, and then sterile cotton swab sampling was done at the same position for bacteria and fungi culture. The number of colonies was recorded, and the killing effects on killing bacteria and fungi on the surface of the impressions before and after gargling with different mouthwashes were observed.
RESULTS AND CONCLUSION: The number of bacteria and fungi before gargal had no significance difference before gargling. After gargling, the number of bacteria and fungi on the model was significantly lower than before (P < 0.001). Two groups did not appear with any adverse reactions, and patients felt refreshed and comfortable after gargling with mouthwash. To gargle with mouthwash before taking impressions can control the number of bacteria and fungi on the samples effectively, thereby achieving the aim of controlling the mutual infections between the doctor and the patients effectively.

Key words: biocompatible materials, dental models, oral medicine, infection control, dental

CLC Number:

R318

Shi Xu-xu, Zhou Wen, Yang Wen-xiang. Influence on the bacteria and fungi taken from the impressions after the use of two kinds of mouthwashes[J]. Chinese Journal of Tissue Engineering Research, doi: 10.3969/j.issn.2095-4344.2013.38.023.

Figures/Tables 5

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