Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion

Introduction: Disinfection of dental impressions is mandatory for decreasing the risk of infection transmission to dental laboratory. Polyethers are one of the most popular and precise impression materials. The aim of this study was to evaluate the disinfecting potential of 2% Sanosil on polyether i...

Full description

Bibliographic Details
Main Authors: Farahnaz Nejatidanesh, Kamran Poushang Bagheri, Mojtaba Shahtousi, Mohsen Talaei, Omid Savabi
Format: Article
Language:fas
Published: Isfahan University of Medical Sciences 2010-01-01
Series:مجله دانشکده دندانپزشکی اصفهان
Subjects:
Online Access:http://jids.mui.ac.ir/index.php/jids/article/view/170
_version_ 1797723711667699712
author Farahnaz Nejatidanesh
Kamran Poushang Bagheri
Mojtaba Shahtousi
Mohsen Talaei
Omid Savabi
author_facet Farahnaz Nejatidanesh
Kamran Poushang Bagheri
Mojtaba Shahtousi
Mohsen Talaei
Omid Savabi
author_sort Farahnaz Nejatidanesh
collection DOAJ
description Introduction: Disinfection of dental impressions is mandatory for decreasing the risk of infection transmission to dental laboratory. Polyethers are one of the most popular and precise impression materials. The aim of this study was to evaluate the disinfecting potential of 2% Sanosil on polyether impression materials wia immersion and spray methods.Materials and Methods: Sixty three circle specimens (1 cm diameter and 2 mm thickness) of polyether impression materials (Impregum F) were contaminated with Staphylococcus Areus (ATCC 29213), Enterococcus Feacalis (ATCC 51299), and Candida Albicans (PTCC 5027) except for control samples, all specimens were immersed in or sprayed with 2% Sanosil for 5 and 10 minutes (5 samples for each disinfection methods and 1 control). Tripsin was used for separating of microorganisms. 1, 1/2 and 1/4 concentrations of the tripsination solution were analyzed microbiologically for Colony–Forming Units (CFU). The number of CFUs per milliliter was counted at 24 and 48 hours for the bacteria and 72 hours for Candidia Albicans. Mann-Whitney and Wilcoxon tests were used for data analysis (α = 0.05).Results: With both spray and immersion methods, the number of CFUs decreased with increasing the disinfecting time and increased with longer incubation time. The CFU counting of Staphylococcus Areus in 5 and 10 minutes immersion in 2% Sanosil were significantly less than spraying method (p value < 0.05). The difference between the two methods in 5 minute disinfection was not significant for Enterococcus Feacalis, however in 10 minute disinfection the immersion proved significantly more effective. The number of CFUs for Candidia Albicans after an incubation of 72 hours was less with 5 minute immersion compared to 5 minute spray. The two methods did not show significant differences in 10 minute disinfection.Conclusion: Spraying with and immersion in 2% Sanosil have high level bacteriocidal effect on Staphylococcus Areus (100% and 99.99%, respectively) and less effect on Enterococcus Feacalis (88% with spraying and 96% with immersion). 2% Sanosil has high effectiveness in disinfection of Candida Albicans (99% with spraying and 99.99% with immersion). Key words: Disinfection, Dental impression materials, Dental disinfectants, Candidia Albicans, Enterococcus Feacalis, Staphylococcus Areus
first_indexed 2024-03-12T10:06:42Z
format Article
id doaj.art-c00a4207d06c4ca1803977ea2a7f2255
institution Directory Open Access Journal
issn 1735-255X
2008-6989
language fas
last_indexed 2024-03-12T10:06:42Z
publishDate 2010-01-01
publisher Isfahan University of Medical Sciences
record_format Article
series مجله دانشکده دندانپزشکی اصفهان
spelling doaj.art-c00a4207d06c4ca1803977ea2a7f22552023-09-02T11:13:43ZfasIsfahan University of Medical Sciencesمجله دانشکده دندانپزشکی اصفهان1735-255X2008-69892010-01-0154181189Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ionFarahnaz NejatidaneshKamran Poushang BagheriMojtaba ShahtousiMohsen TalaeiOmid SavabiIntroduction: Disinfection of dental impressions is mandatory for decreasing the risk of infection transmission to dental laboratory. Polyethers are one of the most popular and precise impression materials. The aim of this study was to evaluate the disinfecting potential of 2% Sanosil on polyether impression materials wia immersion and spray methods.Materials and Methods: Sixty three circle specimens (1 cm diameter and 2 mm thickness) of polyether impression materials (Impregum F) were contaminated with Staphylococcus Areus (ATCC 29213), Enterococcus Feacalis (ATCC 51299), and Candida Albicans (PTCC 5027) except for control samples, all specimens were immersed in or sprayed with 2% Sanosil for 5 and 10 minutes (5 samples for each disinfection methods and 1 control). Tripsin was used for separating of microorganisms. 1, 1/2 and 1/4 concentrations of the tripsination solution were analyzed microbiologically for Colony–Forming Units (CFU). The number of CFUs per milliliter was counted at 24 and 48 hours for the bacteria and 72 hours for Candidia Albicans. Mann-Whitney and Wilcoxon tests were used for data analysis (α = 0.05).Results: With both spray and immersion methods, the number of CFUs decreased with increasing the disinfecting time and increased with longer incubation time. The CFU counting of Staphylococcus Areus in 5 and 10 minutes immersion in 2% Sanosil were significantly less than spraying method (p value < 0.05). The difference between the two methods in 5 minute disinfection was not significant for Enterococcus Feacalis, however in 10 minute disinfection the immersion proved significantly more effective. The number of CFUs for Candidia Albicans after an incubation of 72 hours was less with 5 minute immersion compared to 5 minute spray. The two methods did not show significant differences in 10 minute disinfection.Conclusion: Spraying with and immersion in 2% Sanosil have high level bacteriocidal effect on Staphylococcus Areus (100% and 99.99%, respectively) and less effect on Enterococcus Feacalis (88% with spraying and 96% with immersion). 2% Sanosil has high effectiveness in disinfection of Candida Albicans (99% with spraying and 99.99% with immersion). Key words: Disinfection, Dental impression materials, Dental disinfectants, Candidia Albicans, Enterococcus Feacalis, Staphylococcus Areushttp://jids.mui.ac.ir/index.php/jids/article/view/170Key words: DisinfectionDental impression materialsDental disinfectantsCandidia AlbicansEnterococcus FeacalisStaphylococcus Areus
spellingShingle Farahnaz Nejatidanesh
Kamran Poushang Bagheri
Mojtaba Shahtousi
Mohsen Talaei
Omid Savabi
Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
مجله دانشکده دندانپزشکی اصفهان
Key words: Disinfection
Dental impression materials
Dental disinfectants
Candidia Albicans
Enterococcus Feacalis
Staphylococcus Areus
title Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
title_full Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
title_fullStr Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
title_full_unstemmed Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
title_short Disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
title_sort disinfection of polyether impression materials with hydrogen peroxide solution containing silver ion
topic Key words: Disinfection
Dental impression materials
Dental disinfectants
Candidia Albicans
Enterococcus Feacalis
Staphylococcus Areus
url http://jids.mui.ac.ir/index.php/jids/article/view/170
work_keys_str_mv AT farahnaznejatidanesh disinfectionofpolyetherimpressionmaterialswithhydrogenperoxidesolutioncontainingsilverion
AT kamranpoushangbagheri disinfectionofpolyetherimpressionmaterialswithhydrogenperoxidesolutioncontainingsilverion
AT mojtabashahtousi disinfectionofpolyetherimpressionmaterialswithhydrogenperoxidesolutioncontainingsilverion
AT mohsentalaei disinfectionofpolyetherimpressionmaterialswithhydrogenperoxidesolutioncontainingsilverion
AT omidsavabi disinfectionofpolyetherimpressionmaterialswithhydrogenperoxidesolutioncontainingsilverion