Disinfection of polyvinyl siloxane impression material by gaseous ozone
Impression materials must be disinfected to avoid cross-contamination before they are sent to the dental laboratory. However, whether aqueous state disinfectants affect material wettability is unclear. The purpose of this in vitro study was to compare the efficacy of gaseous ozone and sodium hypochl...
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| Veröffentlicht in: | The Journal of prosthetic dentistry 2018-07, Vol.120 (1), p.138-143 |
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| creator | Celebi, Hakki Büyükerkmen, Emine Begüm Torlak, Emrah |
| description | Impression materials must be disinfected to avoid cross-contamination before they are sent to the dental laboratory. However, whether aqueous state disinfectants affect material wettability is unclear.
The purpose of this in vitro study was to compare the efficacy of gaseous ozone and sodium hypochlorite (NaOCl) in disinfecting light-body consistency hydrophilized polyvinyl siloxane (PVS) impression specimens inoculated with a cocktail of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Enterococcus faecalis. The effect of both disinfectants on the wettability of the material was also evaluated on uninoculated specimens.
Disk-shaped specimens (N=140) were subjected to the either gaseous ozone or NaOCl for up to 30 minutes at room temperature. In the ozone group, the specimens were ozonated under a continuous stream of gaseous ozone at a concentration of 12.8 mg/L, while the specimens in the NaOCl group were immersed into 0.5% NaOCl solution. Reductions in the size of the bacterial population at the end of the exposure times were determined by the plate count technique. The contact angle measurements on the impression surface were used to determine the wettability of the specimens. Results were analyzed with 1-way ANOVA followed by the Tukey post hoc test (α=.05).
The material exposed to both disinfectants for 30 minutes demonstrated a reduction in the number of bacteria of up to more than 3 log. The contact angle of water on the material increased significantly (P |
| doi_str_mv | 10.1016/j.prosdent.2017.09.003 |
| format | Article |
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The purpose of this in vitro study was to compare the efficacy of gaseous ozone and sodium hypochlorite (NaOCl) in disinfecting light-body consistency hydrophilized polyvinyl siloxane (PVS) impression specimens inoculated with a cocktail of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Enterococcus faecalis. The effect of both disinfectants on the wettability of the material was also evaluated on uninoculated specimens.
Disk-shaped specimens (N=140) were subjected to the either gaseous ozone or NaOCl for up to 30 minutes at room temperature. In the ozone group, the specimens were ozonated under a continuous stream of gaseous ozone at a concentration of 12.8 mg/L, while the specimens in the NaOCl group were immersed into 0.5% NaOCl solution. Reductions in the size of the bacterial population at the end of the exposure times were determined by the plate count technique. The contact angle measurements on the impression surface were used to determine the wettability of the specimens. Results were analyzed with 1-way ANOVA followed by the Tukey post hoc test (α=.05).
The material exposed to both disinfectants for 30 minutes demonstrated a reduction in the number of bacteria of up to more than 3 log. The contact angle of water on the material increased significantly (P<.001) after only 5 minutes of contact with the NaOCl solution. However, the treatment with gaseous ozone for 30 minutes resulted in a reduced contact angle (P<.001).
Gaseous ozone treatment was identified as a promising method of disinfecting polymerized PVS impression materials because of its positive effect on the wettability of the material.</description><identifier>ISSN: 0022-3913</identifier><identifier>EISSN: 1097-6841</identifier><identifier>DOI: 10.1016/j.prosdent.2017.09.003</identifier><identifier>PMID: 29310874</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Dental Impression Materials ; Dentistry ; Disinfection - methods ; Enterococcus faecalis ; Equipment Contamination - prevention & control ; Escherichia coli ; In Vitro Techniques ; Materials Testing ; Ozone - pharmacology ; Polyvinyls ; Pseudomonas aeruginosa ; Siloxanes ; Sodium Hypochlorite - pharmacology ; Staphylococcus aureus ; Surface Properties ; Wettability</subject><ispartof>The Journal of prosthetic dentistry, 2018-07, Vol.120 (1), p.138-143</ispartof><rights>2017 Editorial Council for the Journal of Prosthetic Dentistry</rights><rights>Copyright © 2017 Editorial Council for the Journal of Prosthetic Dentistry. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-5c25b83e0cad7799b21e9892d4243b548aa7b3a075b538781ac4941ba83b83a23</citedby><cites>FETCH-LOGICAL-c368t-5c25b83e0cad7799b21e9892d4243b548aa7b3a075b538781ac4941ba83b83a23</cites><orcidid>0000-0003-4636-7791</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.prosdent.2017.09.003$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29310874$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Celebi, Hakki</creatorcontrib><creatorcontrib>Büyükerkmen, Emine Begüm</creatorcontrib><creatorcontrib>Torlak, Emrah</creatorcontrib><title>Disinfection of polyvinyl siloxane impression material by gaseous ozone</title><title>The Journal of prosthetic dentistry</title><addtitle>J Prosthet Dent</addtitle><description>Impression materials must be disinfected to avoid cross-contamination before they are sent to the dental laboratory. However, whether aqueous state disinfectants affect material wettability is unclear.
The purpose of this in vitro study was to compare the efficacy of gaseous ozone and sodium hypochlorite (NaOCl) in disinfecting light-body consistency hydrophilized polyvinyl siloxane (PVS) impression specimens inoculated with a cocktail of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Enterococcus faecalis. The effect of both disinfectants on the wettability of the material was also evaluated on uninoculated specimens.
Disk-shaped specimens (N=140) were subjected to the either gaseous ozone or NaOCl for up to 30 minutes at room temperature. In the ozone group, the specimens were ozonated under a continuous stream of gaseous ozone at a concentration of 12.8 mg/L, while the specimens in the NaOCl group were immersed into 0.5% NaOCl solution. Reductions in the size of the bacterial population at the end of the exposure times were determined by the plate count technique. The contact angle measurements on the impression surface were used to determine the wettability of the specimens. Results were analyzed with 1-way ANOVA followed by the Tukey post hoc test (α=.05).
The material exposed to both disinfectants for 30 minutes demonstrated a reduction in the number of bacteria of up to more than 3 log. The contact angle of water on the material increased significantly (P<.001) after only 5 minutes of contact with the NaOCl solution. However, the treatment with gaseous ozone for 30 minutes resulted in a reduced contact angle (P<.001).
Gaseous ozone treatment was identified as a promising method of disinfecting polymerized PVS impression materials because of its positive effect on the wettability of the material.</description><subject>Dental Impression Materials</subject><subject>Dentistry</subject><subject>Disinfection - methods</subject><subject>Enterococcus faecalis</subject><subject>Equipment Contamination - prevention & control</subject><subject>Escherichia coli</subject><subject>In Vitro Techniques</subject><subject>Materials Testing</subject><subject>Ozone - pharmacology</subject><subject>Polyvinyls</subject><subject>Pseudomonas aeruginosa</subject><subject>Siloxanes</subject><subject>Sodium Hypochlorite - pharmacology</subject><subject>Staphylococcus aureus</subject><subject>Surface Properties</subject><subject>Wettability</subject><issn>0022-3913</issn><issn>1097-6841</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkD1PwzAQhi0EoqXwF6qMLAlnO67tDcRHQarEArPlOFfkKolLnCLKr8dVW1amW573vbuHkCmFggKd3ayKdR9ijd1QMKCyAF0A8BMypqBlPlMlPSVjAMZyrikfkYsYVwCghKTnZMQ0p6BkOSbzBx99t0Q3-NBlYZmtQ7P98t22yaJvwrftMPPtuscYd0BrB-y9bbJqm33YiGETs_ATOrwkZ0vbRLw6zAl5f3p8u3_OF6_zl_u7Re74TA25cExUiiM4W0updcUoaqVZXbKSV6JU1sqKW5CiElxJRa0rdUkrq3iKWcYn5Hrfm97_3GAcTOujw6ZJh6ZjDE1tQlAGIqGzPeqSqdjj0qx739p-ayiYnUSzMkeJZifRgDZJYgpODzs2VYv1X-xoLQG3ewDTp18eexOdx85h7ftk0tTB_7fjF3yrhyE</recordid><startdate>201807</startdate><enddate>201807</enddate><creator>Celebi, Hakki</creator><creator>Büyükerkmen, Emine Begüm</creator><creator>Torlak, Emrah</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-4636-7791</orcidid></search><sort><creationdate>201807</creationdate><title>Disinfection of polyvinyl siloxane impression material by gaseous ozone</title><author>Celebi, Hakki ; Büyükerkmen, Emine Begüm ; Torlak, Emrah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-5c25b83e0cad7799b21e9892d4243b548aa7b3a075b538781ac4941ba83b83a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Dental Impression Materials</topic><topic>Dentistry</topic><topic>Disinfection - methods</topic><topic>Enterococcus faecalis</topic><topic>Equipment Contamination - prevention & control</topic><topic>Escherichia coli</topic><topic>In Vitro Techniques</topic><topic>Materials Testing</topic><topic>Ozone - pharmacology</topic><topic>Polyvinyls</topic><topic>Pseudomonas aeruginosa</topic><topic>Siloxanes</topic><topic>Sodium Hypochlorite - pharmacology</topic><topic>Staphylococcus aureus</topic><topic>Surface Properties</topic><topic>Wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Celebi, Hakki</creatorcontrib><creatorcontrib>Büyükerkmen, Emine Begüm</creatorcontrib><creatorcontrib>Torlak, Emrah</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of prosthetic dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Celebi, Hakki</au><au>Büyükerkmen, Emine Begüm</au><au>Torlak, Emrah</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Disinfection of polyvinyl siloxane impression material by gaseous ozone</atitle><jtitle>The Journal of prosthetic dentistry</jtitle><addtitle>J Prosthet Dent</addtitle><date>2018-07</date><risdate>2018</risdate><volume>120</volume><issue>1</issue><spage>138</spage><epage>143</epage><pages>138-143</pages><issn>0022-3913</issn><eissn>1097-6841</eissn><abstract>Impression materials must be disinfected to avoid cross-contamination before they are sent to the dental laboratory. However, whether aqueous state disinfectants affect material wettability is unclear.
The purpose of this in vitro study was to compare the efficacy of gaseous ozone and sodium hypochlorite (NaOCl) in disinfecting light-body consistency hydrophilized polyvinyl siloxane (PVS) impression specimens inoculated with a cocktail of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Enterococcus faecalis. The effect of both disinfectants on the wettability of the material was also evaluated on uninoculated specimens.
Disk-shaped specimens (N=140) were subjected to the either gaseous ozone or NaOCl for up to 30 minutes at room temperature. In the ozone group, the specimens were ozonated under a continuous stream of gaseous ozone at a concentration of 12.8 mg/L, while the specimens in the NaOCl group were immersed into 0.5% NaOCl solution. Reductions in the size of the bacterial population at the end of the exposure times were determined by the plate count technique. The contact angle measurements on the impression surface were used to determine the wettability of the specimens. Results were analyzed with 1-way ANOVA followed by the Tukey post hoc test (α=.05).
The material exposed to both disinfectants for 30 minutes demonstrated a reduction in the number of bacteria of up to more than 3 log. The contact angle of water on the material increased significantly (P<.001) after only 5 minutes of contact with the NaOCl solution. However, the treatment with gaseous ozone for 30 minutes resulted in a reduced contact angle (P<.001).
Gaseous ozone treatment was identified as a promising method of disinfecting polymerized PVS impression materials because of its positive effect on the wettability of the material.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>29310874</pmid><doi>10.1016/j.prosdent.2017.09.003</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-4636-7791</orcidid></addata></record> |
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| subjects | Dental Impression Materials Dentistry Disinfection - methods Enterococcus faecalis Equipment Contamination - prevention & control Escherichia coli In Vitro Techniques Materials Testing Ozone - pharmacology Polyvinyls Pseudomonas aeruginosa Siloxanes Sodium Hypochlorite - pharmacology Staphylococcus aureus Surface Properties Wettability |
| title | Disinfection of polyvinyl siloxane impression material by gaseous ozone |
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