Disinfection of impression materials with glutaraldehyde, ultraviolet radiation, and autoclave: A comparative study

Background: The present study was conducted to compare various methods of disinfection of impression materials such as glutaraldehyde, ultraviolet (UV) radiation, and autoclave. Materials and Methods: The present study was conducted on eighty alginate impression materials which were disinfectant wit...

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Main Authors: Monica Kotwal (Author), Vishal Partap Singh (Author), Humaira Mushtaq (Author), Rimsha Ahmed (Author), Gaurav Rai (Author), Amit Kumar (Author)
Format: Book
Published: Wolters Kluwer Medknow Publications, 2021-01-01T00:00:00Z.
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Summary:Background: The present study was conducted to compare various methods of disinfection of impression materials such as glutaraldehyde, ultraviolet (UV) radiation, and autoclave. Materials and Methods: The present study was conducted on eighty alginate impression materials which were disinfectant with 2.2% glutaraldehyde, UV radiation, and autoclave. The pre- and postbacterial count was assessed. Results: The mean premicrobial contamination in Group I was 362.2 106 colony-forming unit (CFU)/ml, in Group II was 306.4 106 CFU/ml, and in Group III was 336.2 106 CFU/ml. The mean postmicrobial contamination in Group I was 65.2 106 CFU/ml, in Group II was 76.7 106 CFU/ml, and in Group III was 28.4 106 CFU/ml. Conclusion: The authors found that autoclave proved to be better in terms of reduction in bacterial colonies as compared to glutaraldehyde and UV radiation.
Item Description:0975-7406
10.4103/jpbs.JPBS_755_20