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Microtensile bond strength of a resin-based fissure sealant to Er,Cr:YSGG laser-etched primary enamel

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Abstract

The aim of this study was to evaluate the effect of Er,Cr:YSGG laser pre-treatment alone, or associated with acid-etching, on the microtensile bond strength of a resin-based fissure sealant to primary enamel. Twenty-five human primary molars were randomly divided into five groups including (1) 35 % acid etching, (2) 2.5-W laser etching, (3) 3.5-W laser etching, (4) 2.5-W laser etching + acid etching, and (5) 3.5-W laser etching + acid etching. Er,Cr:YSGG laser was used at a wavelength of 2.780 nm and pulse duration of 140–200 μs with a repetition rate of 20 Hz. Following surface pre-treatment, the fissure sealant (ClinPro™, 3M Dental Products) was applied. Each tooth was sectioned and subjected to microtensile testing. Kruskal–Wallis test was used for statistical analysis. The level of significance was set at p < 0.05. The microtensile bond strength values of group 1 were significantly higher than those of group 2, while no statistically significant difference was detected between groups 1, 3, 4, and 5. It was concluded that 3.5-W laser etching produced results comparable to conventional acid etching technique, whereas 2.5-W laser etching was not able to yield adequate bonding performance.

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The authors declare that there is no conflict of interests regarding the publication of this paper.

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Authors and Affiliations

  1. Faculty of Dentistry, Department of Paediatric Dentistry, Yeditepe University, Bagdat Caddesi No. 238, Goztepe, Kadikoy, 34728, Istanbul, Turkey

    Elif Sungurtekin-Ekci

  2. Faculty of Dentistry, Department of Paediatric Dentistry, Gazi University, 8. Cd. 1.Sok., Emek, 06510, Ankara, Turkey

    Nurhan Oztas

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  1. Elif Sungurtekin-Ekci
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Correspondence to Elif Sungurtekin-Ekci.

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Sungurtekin-Ekci, E., Oztas, N. Microtensile bond strength of a resin-based fissure sealant to Er,Cr:YSGG laser-etched primary enamel. Odontology 104, 163–169 (2016). https://doi.org/10.1007/s10266-015-0203-8

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  • DOI: https://doi.org/10.1007/s10266-015-0203-8

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