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Lookup NU author(s): Dr Robert Wassell
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The potential for cross-infection from microbial contaminated dental impressions has long been recognised. This study set out to investigate impression decontamination procedures currently used in UK dental hospitals (1995) and to see how these may have changed since a previous survey, carried out in 1988. A variety of disinfection solutions and regimes were highlighted both within and between dental hospitals. Several of the disinfecting solutions currently being used have not been specifically tested for efficacy with impression materials. The laboratories were asked to highlight any adverse reactions. Five laboratories reported that some alginates resulted in casts with poor surface properties when immersed in hypochlorite (0.1 and 1 %), sodium dichloroisocyanurate, and 2% glutaraldehyde solutions. This paper highlights that there is no universally recognised impression disinfection/sterilisation protocol. It is recommended that all impressions should at least undergo a disinfecting procedure by immersion in 1 % sodium hypochlorite for a minimum of 10 minutes.
Author(s): Blair FM, Wassell RW
Publication type: Article
Publication status: Published
Journal: British Dental Journal
Year: 1996
Volume: 180
Issue: 10
Pages: 369-375
Print publication date: 25/05/1996
ISSN (print): 0007-0610
ISSN (electronic): 1476-5373
Publisher: Nature Publishing Group
URL: http://dx.doi.org/10.1038/sj.bdj.4809092
DOI: 10.1038/sj.bdj.4809092
PubMed id: 8652299
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