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The effect of dentin desensitizers, and Nd:YAG laser pre-treatment on microtensile bond strength of self-adhesive resin cement to dentin

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jap-6-88.pdf (365.0Kb)
Date
2014
Author
Acar, Ozlem
Tuncer, Duygu
Yuzugullu, Bulem
Celik, Cigdem
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Abstract
PURPOSE. The purpose of this study is to evaluate if pre-treatment with desensitizers have a negative effect on microtensile bond strength before cementing a restoration using recently introduced self-adhesive resin cement to dentin. MATERIALS AND METHODS. Thirty-five human molars' occlusal surfaces were ground to expose dentin; and were randomly grouped as (n=5); 1) Gluma-(Glutaraldehyde/HEMA) 2) Aqua-Prep F-(Fluoride), 3) Bisblock-(Oxalate), 4) Cervitec Plus-(Clorhexidine), 5) Smart protect-(Triclosan), 6) Nd:YAG laser, 7) No treatment (control). After applying the selected agent, RelyX U200 self-adhesive resin cement was used to bond composite resin blocks to dentin. All groups were subjected to thermocycling for 1000 cycles between 5-55 degrees C. Each bonded specimen was sectioned to microbars (6 mm X 1 mm X 1 mm) (n=20). Specimens were submitted to microtensile bond strength test at a crosshead speed of 0.5 mm/min. Kolmogorov-Smirnov, Levene's test, Kruskal Wallis One-way Analysis of Variance, and Conover's nonparametric statistical analysis were used (P<.05). RESULTS. Gluma, Smart Protect and Nd:YAG laser treatments showed comparable microtensile bond strengths compared with the control group (P>.05). The microtensile bond strengths of Aqua-Prep F, and Cervitec Plus were similar to each other but significantly lower than the control group (P<.05). Bisblock showed the lowest microtensile bond strength among all groups (P<.001). Most groups showed adhesive failure. CONCLUSION. Within the limitation of this study, it is not recommended to use Aqua-prep F, Cervitec Plus and Bisblock on dentin when used with a self-adhesive resin cement due to the decrease they cause in bond strength. Beside, pre-treatment of dentin with Gluma, Smart protect, and Nd:YAG laser do not have a negative effect.
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https://synapse.koreamed.org/Synapse/Data/PDFData/0170JAP/jap-6-88.pdf
http://hdl.handle.net/11727/4525
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  • PubMed İndeksli Yayınlar Koleksiyonu [2473]
  • Sağlık Hizmetleri Meslek Yüksekokulu / Vocational School of Health Services [74]
  • Scopus İndeksli Yayınlar Koleksiyonu [3158]
  • Wos İndeksli Yayınlar Koleksiyonu [4264]

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