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Article

Evaluation of Antimicrobial Efficacy of UVC Radiation, Gaseous Ozone, and Liquid Chemicals Used for Disinfection of Silicone Dental Impression Materials

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Department of Experimental Dentistry, Wroclaw Medical University, 50-425 Wroclaw, Poland
2
Department of Physicochemistry of Microorganisms, Institute of Genetics and Microbiology, University of Wroclaw, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
3
Department of Engineering and Technology of Chemical Processes, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
4
Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 12 R. Weigl St., 53-114 Wroclaw, Poland
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Division of Dentofacial Anomalies, Department of Maxillofacial Orthopedics and Orthodontics, Wroclaw Medical University, 50-425 Wroclaw, Poland
*
Authors to whom correspondence should be addressed.
Academic Editor: Bongju Kim
Materials 2022, 15(7), 2553; https://doi.org/10.3390/ma15072553
Received: 4 March 2022 / Revised: 24 March 2022 / Accepted: 28 March 2022 / Published: 31 March 2022
(This article belongs to the Special Issue Modern Materials Used in Dentistry - Review of XXI Century Knowledge)
Effective disinfection of dental impressions is an indispensable requirement for the safety of dental personnel and patients. The ideal method should be not only effective but also convenient, cheap, and environmentally friendly. This study aimed to reliably evaluate the efficacy of ultraviolet C (UVC) radiation, gaseous ozone, and commercial liquid chemicals used for silicone dental impressions disinfection. These methods were applied to two types of elastomeric impression materials: condensation silicones and addition silicones of various consistency (putty, medium, and light). The antimicrobial effectiveness against Pseudomonas aeruginosa, Staphylococcus aureus, and Candida albicans was evaluated in vitro by counting colony-forming units (CFU) on the surface of samples. The one-way ANOVA with a Tukey HSD test or the Kruskal–Wallis with a Dunn’s test was performed. The results obtained revealed the efficacy of the proposed methods for disinfection of both C-silicones and A-silicones in most of the studied groups. Only one material (Panasil initial contact Light) was not effectively disinfected after UVC irradiation or ozone application. In conclusion, the potential of each disinfection method should be evaluated separately for each material. Moreover, in further research, the possible influence of the proposed methods on the physical properties of the impression materials should be thoroughly investigated. View Full-Text
Keywords: dental materials; silicones; disinfection; ozone; UVC; chemical disinfection; oral pathogens; Staphylococcus aureus; Pseudomonas aeruginosa; Candida albicans dental materials; silicones; disinfection; ozone; UVC; chemical disinfection; oral pathogens; Staphylococcus aureus; Pseudomonas aeruginosa; Candida albicans
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MDPI and ACS Style

Wezgowiec, J.; Wieczynska, A.; Wieckiewicz, M.; Czarny, A.; Malysa, A.; Seweryn, P.; Zietek, M.; Paradowska-Stolarz, A. Evaluation of Antimicrobial Efficacy of UVC Radiation, Gaseous Ozone, and Liquid Chemicals Used for Disinfection of Silicone Dental Impression Materials. Materials 2022, 15, 2553. https://doi.org/10.3390/ma15072553

AMA Style

Wezgowiec J, Wieczynska A, Wieckiewicz M, Czarny A, Malysa A, Seweryn P, Zietek M, Paradowska-Stolarz A. Evaluation of Antimicrobial Efficacy of UVC Radiation, Gaseous Ozone, and Liquid Chemicals Used for Disinfection of Silicone Dental Impression Materials. Materials. 2022; 15(7):2553. https://doi.org/10.3390/ma15072553

Chicago/Turabian Style

Wezgowiec, Joanna, Anna Wieczynska, Mieszko Wieckiewicz, Anna Czarny, Andrzej Malysa, Piotr Seweryn, Marek Zietek, and Anna Paradowska-Stolarz. 2022. "Evaluation of Antimicrobial Efficacy of UVC Radiation, Gaseous Ozone, and Liquid Chemicals Used for Disinfection of Silicone Dental Impression Materials" Materials 15, no. 7: 2553. https://doi.org/10.3390/ma15072553

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