PMID: 16521386Mar 9, 2006Paper

Influence of cavity dimensions, insertion technique and adhesive system on microleakage of Class V restorations

The Journal of the American Dental Association
Carmem Silvia Costa PfeiferPaulo E Capel Cardoso

Abstract

The authors evaluated the influence of cavity dimensions, insertion technique and adhesive system on microleakage of Class composite restorations. The authors prepared cylindrical cavities with enamel margins of 3-millimeter diameter by 1-mm depth or 6-mm diameter by 2-mm depth on the labial surface of bovine incisors. They defined experimental groups (n = 15) according to cavity size, insertion technique (bulk or incremental) and adhesive system applied (Single Bond, 3M ESPE, St. Paul, Minn., or Excite, Ivoclar Vivadent, Amherst, N.Y.). They restored preparations with Tetric Ceram (Ivoclar Vivadent). After 36 hours' storage in distilled water at 37 C, specimens were submitted to microleakage using 50 percent silver nitrate as tracer. Teeth were sectioned twice and dye penetration on the axial wall was determined in millimeters. The authors analyzed the data using analysis of variance/Tukey test (a = .05). For large restorations, the use of Single Bond resulted in higher microleakage than Excite (1.56 +/- standard deviation [SD] 0.26 mm and 0.63 +/- SD 0.56 mm, respectively; P < .001), whereas for small restorations there was no statistical difference between adhesives (Excite: 0.47 +/- SD 0.28 mm; Single Bond: 0.46 +/- SD 0.28...Continue Reading

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Aug 13, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Leticia C C BoaroRoberto R Braga
Jan 5, 2012·International Journal of Dentistry·Cesar Dos Reis PerezBárbara Monteiro Pessôa Fernandes
Oct 27, 2007·Journal of Dentistry·Fernanda Calabró CalheirosRoberto Ruggiero Braga
Feb 25, 2014·Journal of Dentistry·Edson Alves CamposIvo Krejci
Apr 2, 2009·European Journal of Orthodontics·Ascensión VicenteLuis A Bravo
Oct 6, 2010·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Marcos Aurélio Bomfim da SilvaJosé Ivo Limeira Dos Reis

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