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Article: The persistence of microorganisms on impression materials following disinfection.

TitleThe persistence of microorganisms on impression materials following disinfection.
Authors
Issue Date1991
PublisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.com
Citation
The International Journal Of Prosthodontics, 1991, v. 4 n. 4, p. 382-387 How to Cite?
AbstractFollowing in vitro inoculation with C albicans or P aeruginosa, three impression materials--polysulfide rubber, irreversible hydrocolloid, and poly(vinyl siloxane)--were disinfected with either 0.1% or 0.02% chlorhexidine gluconate and a quantitative assessment of the microorganisms was made. Very few microorganisms were retained on the poly(vinyl siloxane) material immediately after microbial inoculation. The numbers of microorganisms on polysulfide impression materials diminished rapidly with time even without disinfection, and a 30-minute disinfection procedure resulted in total microbe elimination. With irreversible hydrocolloid, microorganisms persisted and disinfection procedures were considerably less effective. When the disinfection efficacy of three commercially available agents was compared using irreversible hydrocolloid impression material, chlorhexidine gluconate (0.2%) was found to be less effective than either glutaraldehyde (2%) or sodium hypochlorite (0.0125%); the latter two agents were comparable in their antimicrobial effect. Thus, a simple disinfection regime of 30 minutes with commonly available disinfectants may be effective in eliminating cross-contamination from impression materials.
Persistent Identifierhttp://hdl.handle.net/10722/153754
ISSN
2015 Impact Factor: 1.487
2015 SCImago Journal Rankings: 0.539

 

DC FieldValueLanguage
dc.contributor.authorJennings, KJen_US
dc.contributor.authorSamaranayake, LPen_US
dc.date.accessioned2012-08-08T08:21:24Z-
dc.date.available2012-08-08T08:21:24Z-
dc.date.issued1991en_US
dc.identifier.citationThe International Journal Of Prosthodontics, 1991, v. 4 n. 4, p. 382-387en_US
dc.identifier.issn0893-2174en_US
dc.identifier.urihttp://hdl.handle.net/10722/153754-
dc.description.abstractFollowing in vitro inoculation with C albicans or P aeruginosa, three impression materials--polysulfide rubber, irreversible hydrocolloid, and poly(vinyl siloxane)--were disinfected with either 0.1% or 0.02% chlorhexidine gluconate and a quantitative assessment of the microorganisms was made. Very few microorganisms were retained on the poly(vinyl siloxane) material immediately after microbial inoculation. The numbers of microorganisms on polysulfide impression materials diminished rapidly with time even without disinfection, and a 30-minute disinfection procedure resulted in total microbe elimination. With irreversible hydrocolloid, microorganisms persisted and disinfection procedures were considerably less effective. When the disinfection efficacy of three commercially available agents was compared using irreversible hydrocolloid impression material, chlorhexidine gluconate (0.2%) was found to be less effective than either glutaraldehyde (2%) or sodium hypochlorite (0.0125%); the latter two agents were comparable in their antimicrobial effect. Thus, a simple disinfection regime of 30 minutes with commonly available disinfectants may be effective in eliminating cross-contamination from impression materials.en_US
dc.languageengen_US
dc.publisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.comen_US
dc.relation.ispartofThe International journal of prosthodonticsen_US
dc.subject.meshAnti-Infective Agents, Local - Pharmacologyen_US
dc.subject.meshCandida Albicans - Drug Effectsen_US
dc.subject.meshChlorhexidine - Analogs & Derivatives - Pharmacologyen_US
dc.subject.meshColloidsen_US
dc.subject.meshColony Count, Microbialen_US
dc.subject.meshDental Impression Materialsen_US
dc.subject.meshDisinfection - Methodsen_US
dc.subject.meshGlutaral - Pharmacologyen_US
dc.subject.meshMaterials Testingen_US
dc.subject.meshOrganic Chemicalsen_US
dc.subject.meshPolyvinylsen_US
dc.subject.meshPseudomonas Aeruginosa - Drug Effectsen_US
dc.subject.meshRubberen_US
dc.subject.meshSiloxanesen_US
dc.subject.meshSodium Hypochlorite - Pharmacologyen_US
dc.subject.meshSulfidesen_US
dc.titleThe persistence of microorganisms on impression materials following disinfection.en_US
dc.typeArticleen_US
dc.identifier.emailSamaranayake, LP:lakshman@hku.hken_US
dc.identifier.authoritySamaranayake, LP=rp00023en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid1811634-
dc.identifier.scopuseid_2-s2.0-0026182960en_US
dc.identifier.volume4en_US
dc.identifier.issue4en_US
dc.identifier.spage382en_US
dc.identifier.epage387en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridJennings, KJ=7103412176en_US
dc.identifier.scopusauthoridSamaranayake, LP=7102761002en_US

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