An in vitro evaluation of shear bond strength of silorane and bis-GMA resin-based composite using different curing units

Manak Khosla, Neeraj Malhotra, Kundabala Mala

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Aim: To evaluate shear bond strength of silorane and bis-GMA based composite resins using self-etch and total-etch adhesive systems, and compare the effect of Quartz-tungten-halogen (QTH) and Light emitting diode (LED) on the shear bond strength of the experimental materials. Materials and Methods: Flat dentin surfaces were exposed on intact extracted molars and composite resin was built 2 mm in diameter. Teeth were divided randomly into four groups. Groups 1 and 2 were restored with P90 system adhesive and Filtek P90 and cured with QTH and LED units respectively. Groups 3 and 4 were restored with total etch adhesive and Filtek Z100 and cured with QTH and LED units respectively. Specimens were subjected to shear bond strength testing using Instrom Universal testing machine. Results: Data was subjected to one-way analysis of variance. Total-etch groups gave significantly higher shear bond strength values than the self-etch groups. No significant difference in shear bond strength was found between Groups 3 and 4, while Group 1 showed significantly higher values than Group 2. Conclusion: Type of light curing unit is not a significant factor affecting shear bond strength for bis-GMA RBCs using total-etch technique; while for curing silorane resin based composite (RBCs), conventional halogen curing units showed better results.

Original languageEnglish
Pages (from-to)278-282
Number of pages5
JournalJournal of Conservative Dentistry
Volume15
Issue number3
DOIs
Publication statusPublished - 01-07-2012

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Silorane Resins
Bisphenol A-Glycidyl Methacrylate
Shear Strength
Halogens
Quartz
Adhesives
Light
Composite Resins
Dentin
In Vitro Techniques
Analysis of Variance
Tooth

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

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abstract = "Aim: To evaluate shear bond strength of silorane and bis-GMA based composite resins using self-etch and total-etch adhesive systems, and compare the effect of Quartz-tungten-halogen (QTH) and Light emitting diode (LED) on the shear bond strength of the experimental materials. Materials and Methods: Flat dentin surfaces were exposed on intact extracted molars and composite resin was built 2 mm in diameter. Teeth were divided randomly into four groups. Groups 1 and 2 were restored with P90 system adhesive and Filtek P90 and cured with QTH and LED units respectively. Groups 3 and 4 were restored with total etch adhesive and Filtek Z100 and cured with QTH and LED units respectively. Specimens were subjected to shear bond strength testing using Instrom Universal testing machine. Results: Data was subjected to one-way analysis of variance. Total-etch groups gave significantly higher shear bond strength values than the self-etch groups. No significant difference in shear bond strength was found between Groups 3 and 4, while Group 1 showed significantly higher values than Group 2. Conclusion: Type of light curing unit is not a significant factor affecting shear bond strength for bis-GMA RBCs using total-etch technique; while for curing silorane resin based composite (RBCs), conventional halogen curing units showed better results.",
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An in vitro evaluation of shear bond strength of silorane and bis-GMA resin-based composite using different curing units. / Khosla, Manak; Malhotra, Neeraj; Mala, Kundabala.

In: Journal of Conservative Dentistry, Vol. 15, No. 3, 01.07.2012, p. 278-282.

Research output: Contribution to journalArticle

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