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Hydrolytic stability of composite repair bond

Authorized Users Only
2007
Authors
Papacchini, Federica
Toledano, Manuel
Monticelli, Francesca
Osorio, Raquel
Radović, Ivana
Polimeni, Antonella
Garcia-Godoy, Franklin
Ferrari, Marco
Article (Published version)
Metadata
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Abstract
The hydrolytic stability of composite repairs is a desirable property. In the present study, the composite repair microtensile bond strength, failure mode distribution, and nanoleakage occurrence before and after thermocycling were evaluated. Standardized, 1-month-old composite substrates were roughened, cleaned, and randomly assigned to seven groups according to the intermediate agent applied. Resin-based, silane-based, and combined silane/adhesive coupling agents were investigated. The same resin composite as the substrate was used for repair. For each group, repaired samples were wet stored for 24 h (37 degrees C) or thermocycled (5,000 cycles, 5-55 degrees C). Failure mode and silver nitrate penetration were examined by stereomicroscopy. Intermediate agent, experimental condition, and their interaction were significant factors. Hydrophobic flowable composites resulted in statistically higher repair strengths, lower occurrence of adhesive failures, and good quality interfacial coupl...ing without any silver uptake in both conditions. Light-curing, hydrophilic resin monomer-based intermediate agents, although not affected by thermocycling, showed a more pronounced silver penetration. The composite repair strength of a self-curing silane/adhesive agent was significantly affected by thermal stresses, despite the absence of silver uptake. A prehydrolized silane agent recorded the lowest repair strength, with minimal or no evidence of interfacial silver impregnation after thermocycling. In conclusion, flowability and hydrophobic nature can be considered important properties when selecting intermediate agents for composite repair.

Keywords:
bonding resin / flowable resin / microtensile bond strength / silane coupling agent / silver nitrate
Source:
European Journal of Oral Sciences, 2007, 115, 5, 417-424
Publisher:
  • Wiley, Hoboken

DOI: 10.1111/j.1600-0722.2007.00475.x

ISSN: 0909-8836

PubMed: 17850431

WoS: 000249428400011

Scopus: 2-s2.0-34548571958
[ Google Scholar ]
45
38
URI
https://smile.stomf.bg.ac.rs/handle/123456789/1328
Collections
  • Radovi istraživača
Institution/Community
Stomatološki fakultet
TY  - JOUR
AU  - Papacchini, Federica
AU  - Toledano, Manuel
AU  - Monticelli, Francesca
AU  - Osorio, Raquel
AU  - Radović, Ivana
AU  - Polimeni, Antonella
AU  - Garcia-Godoy, Franklin
AU  - Ferrari, Marco
PY  - 2007
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1328
AB  - The hydrolytic stability of composite repairs is a desirable property. In the present study, the composite repair microtensile bond strength, failure mode distribution, and nanoleakage occurrence before and after thermocycling were evaluated. Standardized, 1-month-old composite substrates were roughened, cleaned, and randomly assigned to seven groups according to the intermediate agent applied. Resin-based, silane-based, and combined silane/adhesive coupling agents were investigated. The same resin composite as the substrate was used for repair. For each group, repaired samples were wet stored for 24 h (37 degrees C) or thermocycled (5,000 cycles, 5-55 degrees C). Failure mode and silver nitrate penetration were examined by stereomicroscopy. Intermediate agent, experimental condition, and their interaction were significant factors. Hydrophobic flowable composites resulted in statistically higher repair strengths, lower occurrence of adhesive failures, and good quality interfacial coupling without any silver uptake in both conditions. Light-curing, hydrophilic resin monomer-based intermediate agents, although not affected by thermocycling, showed a more pronounced silver penetration. The composite repair strength of a self-curing silane/adhesive agent was significantly affected by thermal stresses, despite the absence of silver uptake. A prehydrolized silane agent recorded the lowest repair strength, with minimal or no evidence of interfacial silver impregnation after thermocycling. In conclusion, flowability and hydrophobic nature can be considered important properties when selecting intermediate agents for composite repair.
PB  - Wiley, Hoboken
T2  - European Journal of Oral Sciences
T1  - Hydrolytic stability of composite repair bond
VL  - 115
IS  - 5
SP  - 417
EP  - 424
DO  - 10.1111/j.1600-0722.2007.00475.x
ER  - 
@article{
author = "Papacchini, Federica and Toledano, Manuel and Monticelli, Francesca and Osorio, Raquel and Radović, Ivana and Polimeni, Antonella and Garcia-Godoy, Franklin and Ferrari, Marco",
year = "2007",
abstract = "The hydrolytic stability of composite repairs is a desirable property. In the present study, the composite repair microtensile bond strength, failure mode distribution, and nanoleakage occurrence before and after thermocycling were evaluated. Standardized, 1-month-old composite substrates were roughened, cleaned, and randomly assigned to seven groups according to the intermediate agent applied. Resin-based, silane-based, and combined silane/adhesive coupling agents were investigated. The same resin composite as the substrate was used for repair. For each group, repaired samples were wet stored for 24 h (37 degrees C) or thermocycled (5,000 cycles, 5-55 degrees C). Failure mode and silver nitrate penetration were examined by stereomicroscopy. Intermediate agent, experimental condition, and their interaction were significant factors. Hydrophobic flowable composites resulted in statistically higher repair strengths, lower occurrence of adhesive failures, and good quality interfacial coupling without any silver uptake in both conditions. Light-curing, hydrophilic resin monomer-based intermediate agents, although not affected by thermocycling, showed a more pronounced silver penetration. The composite repair strength of a self-curing silane/adhesive agent was significantly affected by thermal stresses, despite the absence of silver uptake. A prehydrolized silane agent recorded the lowest repair strength, with minimal or no evidence of interfacial silver impregnation after thermocycling. In conclusion, flowability and hydrophobic nature can be considered important properties when selecting intermediate agents for composite repair.",
publisher = "Wiley, Hoboken",
journal = "European Journal of Oral Sciences",
title = "Hydrolytic stability of composite repair bond",
volume = "115",
number = "5",
pages = "417-424",
doi = "10.1111/j.1600-0722.2007.00475.x"
}
Papacchini, F., Toledano, M., Monticelli, F., Osorio, R., Radović, I., Polimeni, A., Garcia-Godoy, F.,& Ferrari, M.. (2007). Hydrolytic stability of composite repair bond. in European Journal of Oral Sciences
Wiley, Hoboken., 115(5), 417-424.
https://doi.org/10.1111/j.1600-0722.2007.00475.x
Papacchini F, Toledano M, Monticelli F, Osorio R, Radović I, Polimeni A, Garcia-Godoy F, Ferrari M. Hydrolytic stability of composite repair bond. in European Journal of Oral Sciences. 2007;115(5):417-424.
doi:10.1111/j.1600-0722.2007.00475.x .
Papacchini, Federica, Toledano, Manuel, Monticelli, Francesca, Osorio, Raquel, Radović, Ivana, Polimeni, Antonella, Garcia-Godoy, Franklin, Ferrari, Marco, "Hydrolytic stability of composite repair bond" in European Journal of Oral Sciences, 115, no. 5 (2007):417-424,
https://doi.org/10.1111/j.1600-0722.2007.00475.x . .

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