%0 Journal Article
%T Marginal permeability of one step self-etch adhesives: Effects of double application or the application of hydrophobic layer
%A Pushpa R
%A Suresh B
%J Journal of Conservative Dentistry
%D 2010
%I Medknow Publications
%X Aim : The purpose of this in vitro investigation was to evaluate the influence of double application and application of hydrophobic layer on marginal adaptation of four self-etch adhesive systems (XENOIII, ALLBONDSE, CLEARFIL SE TRI BOND, FUTURA BOND). Materials and Methods : One hundred and twenty class V cavities were prepared on intact, extracted human premolars and were divided into three groups of ten teeth each for all four adhesives. Group 1: Application of bonding agents as per manufacturer directions. Group 2: Double application of bonding agents. Group 3: Application of hydrophobic layer. The specimens were restored with composite and light cured. After thermocycling and immersion in 2% Basic Fuchsin dye solution, the teeth were sectioned and dye penetration was observed under a stereomicroscope at 20กม magnification. All the samples were scored and results were analyzed using Kruskal-Wallis and Mann-Whitney tests. Results : Group 3, in which the adhesive systems were coated with hydrophobic layer, showed significantly decreased microleakage, followed by Group 1 and Group 2 for all the adhesive systems. And there is no significant different between Group 1 and Group 2. Conclusion : Marginal permeability of one-step adhesives can be minimized by the application of more hydrophobic resin layer, and the double application of one-step self-etch system can be safely performed without jeopardizing the performance of adhesives.
%K Double application
%K hydrophobic layer
%K marginal permeability
%K self-etch adhesives
%U http://www.jcd.org.in/article.asp?issn=0972-0707;year=2010;volume=13;issue=3;spage=141;epage=144;aulast=Pushpa