Microtensile bond strength of total-etch and self-etch adhesives to the enamel walls of Class V cavities

William P. Kelsey, Mark A. Latta, Marco A. Vargas, Lucinda R. Carroll, Steven R. Armstrong

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Purpose: To determine the difference in microtensile bond strengths (MTBS) of resin-based composite bonded to the enamel of cavity preparations using a conventional or a self-etching adhesive. Methods: Buccal and lingual Class V cavities were prepared in each of 12 caries-free human molars. Six teeth were randomly selected to be restored with Spectrum TPH resin-based composite and Prime & Bond NT adhesive. The remaining six teeth were restored with the same composite and Prompt L-Pop self-etching adhesive. Enamel/composite sticks were cut from each specimen and subjected to microtensile bond testing. Each debonded specimen was evaluated by SEM to determine the mode of failure. Results: The mean MTBS for Prime & Bond NT specimens was 15.2 ± 13.1 MPa. The mean MTBS for Prompt L-Pop self-etching adhesive samples was 18.2 ± 14.3 MPa. ANOVA demonstrated no statistically significant difference between the mean MTBS associated with the two adhesives (P> 0.05). The results of SEM analysis revealed that the bonding failures occurred primarily at the interface between the adhesive and the enamel, suggesting a primarily adhesive failure.

Original languageEnglish
Pages (from-to)37-40
Number of pages4
JournalAmerican Journal of Dentistry
Volume18
Issue number1
StatePublished - Feb 2005
Externally publishedYes

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Dental Enamel
Adhesives
Composite Resins
Tooth
Cheek
Tongue
Analysis of Variance

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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Microtensile bond strength of total-etch and self-etch adhesives to the enamel walls of Class V cavities. / Kelsey, William P.; Latta, Mark A.; Vargas, Marco A.; Carroll, Lucinda R.; Armstrong, Steven R.

In: American Journal of Dentistry, Vol. 18, No. 1, 02.2005, p. 37-40.

Research output: Contribution to journalArticle

Kelsey, William P. ; Latta, Mark A. ; Vargas, Marco A. ; Carroll, Lucinda R. ; Armstrong, Steven R. / Microtensile bond strength of total-etch and self-etch adhesives to the enamel walls of Class V cavities. In: American Journal of Dentistry. 2005 ; Vol. 18, No. 1. pp. 37-40.
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