Dentin bond strength evaluation between a conventional and universal adhesive using etch-and-rinse strategy
Braz. j. oral sci
;
20: e219342, jan.-dez. 2021. ilus
Article
in English
| BBO, LILACS
| ID: biblio-1253927
ABSTRACT
Aim:
The aim of this study was to compare the microtensile bond strength (µTBS) and the characteristics of the adhesive interface of Scotchbond Universal - SU etch-and-rise mode (3M ESPE) and Adper Scotchbond Multi-Purpose - MP (3M ESPE) to dentin over time.Methods:
Class I cavity preparations were performed in 60 human molars that were randomly divided according to the dentin bonding system (DBS) used (n=30) (1) Acid conditioning + SU and (2) Acid conditioning + MP. For bonding strength (BS) analysis, 30 teeth (n = 15) were sectioned into sticks and submitted to the microtensile test in a universal testing machine after 24 hours and 12 months. The adhesive interface of the others 30 teeth was analyzed in a confocal microscope after 24 hours and 12 months. The data of µTBS were analyzed by two-way repeated measures ANOVA and Tukey's HSD (α = 0.05).Results:
SU presented the lowest DBS compared to MP (p=0.000). Time did not influenced DBS for both adhesive systems (p=0.177). Confocal microscopy analysis showed no cracks between both adhesive systems tested.Conclusion:
The results indicate that MP - µTBS showed a better performance compared to SU in total-etch mode
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Dentin-Bonding Agents
/
Microscopy, Confocal
/
Dentin
/
Methacrylates
Limits:
Humans
Language:
English
Journal:
Braz. j. oral sci
Journal subject:
Dentistry
Year:
2021
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
University of São Paulo/BR
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