Evaluation of antiviral effects of various disinfectants on dental handpieces
Author(s):
Abstract:
Background And Aim
Handpieces are in current use in dental practice. Cross contamination from these instruments is very high because of their direct contact with blood and saliva. The purpose of this study was the evaluation of antiviral effects of different disinfectants on dental handpieces. Materials And Methods
In this experimental study, the effects of 5 groups of different materials and methods of sterilization and disinfection on virus elimination from dental handpieces were evaluated. Groups were as follows: 1- autoclave 2- Solarsept 3- Unisepta 4- Sodium hypochlorite (2% solution of household bleach) 5- Sanosil. 14 handpieces in each group were washed, dried and autoclaved, then contaminated with polio and Herpes Simplex virus type I. Samples were washed with sterile distilled water. Antiviral agents were applied according to the manufacturer or previous investigations. After washing with water, the instruments were washed with MEM (Minimum Essential Medium) and two samples of cell culture from each handpiece were prepared. In each group one handpiece was treated as control. The results were recorded after one week. Results
The percent of negative cell cultures in each group were as follow: A- For Poliovirus: 1- Autoclave: 100%. 2- Solarsept: 28.6%. 3- Unisepta: 0%. 4- Sodium hypochlorite: 28.6%. 5- Sanosil 92.9%. B- For Herpesvirus: 1- Autoclave: 100%. 2- Solarsept: 100%. 3- Unisepta: 100%. 4- Sodium hypochlorite: 57.1%. 5- Sanosil: 100%. Conclusion
According to our findings autoclave is the best method for virus elimination from dental handpieces. Sanosil with 92.9% efficiency was the best solution. Solarsept, hypochlorite with special method and Unisepta had the lowest effectiveness.Language:
Persian
Published:
Journal of Dental Medicine, Volume:19 Issue: 4, 2007
Page:
80
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