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Original Research

Open Access

Shear Bond Strength of Different Adhesive Systems to Primary Dentin and Enamel

  • Carla Miranda1,*,
  • Luiz Henrique Maykot Prates1
  • Ricardo de Souza Vieira2
  • Maria Cristina Marino Calvo3

1Department of dental materials, Brazil

2Department of pediatric dentistry, Brazil

3Department of public health dentistry, Brazil

DOI: 10.17796/jcpd.31.1.2436up85l810667h Vol.31,Issue 1,January 2007 pp.35-40

Published: 01 January 2007

*Corresponding Author(s): Carla Miranda E-mail: ca_miranda@yahoo.com.br

Abstract

The aims of this study were to evaluate the shear bond strength (SBS) of four adhesive systems applied to primary dentin and enamel and verify, after SBS testing, the failure mode of the adhesive interface. Sixty extracted sound primary molars were selected and crowns were sectioned in a mesial-distal direction. Specimens were randomly assigned into two groups (adhesion to enamel and adhesion to dentin) and then subdivided into four subgroups according to the adhesive system (n=15): Scotchbond Multi-Purpose (SMP) – Single Bond (SB) – Clearfil SE Bond (and Adper Prompt LPop (APL) – SBS tests were performed and the obtained values were statistically analyzed using ANOVA and Tukey tests (p<0.05). The failure mode analysis was performed with a Scanning Electron Microscope (XL-30, Philips). SBS mean values on enamel were [MPa (SD)]: SMP – 27.89 (7.49); SB – 23.92 (8.8); CSB – 24.36 (6.69); APL – 25.96 (4.08); and on dentin: SMP – 17.29 (4.25); SB – 18.2 (8.74); CSB – 16.13 (7.14); APL – 6.04 (3.35). The predominant failure mode was cohesive (primarily of the bonding agent). On enamel SBS was statistically similar for all four adhesives. On dentin SBS of APL was lower than the other tested adhesives.

Keywords

deciduous tooth, shear strength, dentin-bonding agents, dental materials, pediatric dentistry

Cite and Share

Carla Miranda,Luiz Henrique Maykot Prates,Ricardo de Souza Vieira,Maria Cristina Marino Calvo. Shear Bond Strength of Different Adhesive Systems to Primary Dentin and Enamel. Journal of Clinical Pediatric Dentistry. 2007. 31(1);35-40.

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