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ORIGINAL ARTICLE
Year : 2021  |  Volume : 13  |  Issue : 5  |  Page : 289-292

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


1 Department of Prosthodontics, Indira Gandhi Government Dental College, Jammu, Jammu and Kashmir, India
2 Private Practitioner, Rehari, Jammu, Jammu and Kashmir, India
3 Department of Oral and Maxillofacial Surgery, Buddha Institute of Dental Sciences and Hospital Kankarbagh, Patna, Bihar, India
4 Private Practitioner, Varanasi, Uttar Pradesh, India

Correspondence Address:
Monica Kotwal
Department of Prosthodontics, Indira Gandhi Government Dental College, Jammu, Jammu and Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_755_20

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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.


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