Impact of light-curing time and aging on dentin bond strength of methacrylate- and siloranebased restorative systems
Aim: To evaluate the impact of different light-curing times on dentin microtensile bond strength of two restorative systems after 24 h and 6 months of water storage. Methods: Standardized Class II preparations were performed in 56 freshly-extracted human molars (n = 7), restored with methacrylate- o...
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Universidade Estadual de Campinas,
2010-12-01T00:00:00Z.
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| LEADER | 00000 am a22000003u 4500 | ||
|---|---|---|---|
| 001 | doaj_640ab86525dd4b3f9b07698369614339 | ||
| 042 | |a dc | ||
| 100 | 1 | 0 | |a Anderson Catelan |e author |
| 700 | 1 | 0 | |a Giulliana Panfiglio Soares |e author |
| 700 | 1 | 0 | |a Ana Karina Bedran-Russo |e author |
| 700 | 1 | 0 | |a Débora Alves Nunes Leite Lima |e author |
| 700 | 1 | 0 | |a Giselle Maria Marchi |e author |
| 700 | 1 | 0 | |a Flávio Henrique Baggio Aguiar |e author |
| 245 | 0 | 0 | |a Impact of light-curing time and aging on dentin bond strength of methacrylate- and siloranebased restorative systems |
| 260 | |b Universidade Estadual de Campinas, |c 2010-12-01T00:00:00Z. | ||
| 500 | |a 10.20396/bjos.v13i3.8640890 | ||
| 500 | |a 1677-3225 | ||
| 520 | |a Aim: To evaluate the impact of different light-curing times on dentin microtensile bond strength of two restorative systems after 24 h and 6 months of water storage. Methods: Standardized Class II preparations were performed in 56 freshly-extracted human molars (n = 7), restored with methacrylate- or silorane-based restorative systems, and light-cured using a light-emitting diode at 1390 mW/cm2 by the recommended manufacturers' time or double this time. After storage for 24 h at 37 o C, the teeth were sectioned to yield a series of 0.8-mm thick slices. Each slab was trimmed into an hourglass shape of approximately 0.64 mm2 area at the gingival dentin-resin interface. Specimens were tested using universal testing machine at crosshead speed of 0.5 mm/min until failure, after 24 h and 6 months of storage. Data were statistically analyzed by three-way ANOVA and Tukey's test (α = 0.05). Results: The highest bond strength values were recorded for the groups restored with methacrylate system (p<0.001) as well as for extended light-curing time (p = 0.0034). There was no statistically significant difference between 24 h and 6 months storage on bond strength (p>0.05). Conclusions: Bond strength was influenced by the material and lightcuring time, but the 6-month storage did not affect the bond strength of restorations. | ||
| 546 | |a EN | ||
| 690 | |a Dental bonding | ||
| 690 | |a Composite resins | ||
| 690 | |a Methacrylates | ||
| 690 | |a Silorane resins | ||
| 690 | |a Polymerization | ||
| 690 | |a Dentistry | ||
| 690 | |a RK1-715 | ||
| 655 | 7 | |a article |2 local | |
| 786 | 0 | |n Brazilian Journal of Oral Sciences, Vol 13, Iss 3 (2010) | |
| 787 | 0 | |n https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640890 | |
| 787 | 0 | |n https://doaj.org/toc/1677-3225 | |
| 856 | 4 | 1 | |u https://doaj.org/article/640ab86525dd4b3f9b07698369614339 |z Connect to this object online. |