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Shear bond strength of adhesive systems to enamel and dentin. Thermocycling influence
  • Universidade de São Paulo (USP)
  • Universidade Estadual Paulista (UNESP)
Objectives: The purpose of the this study was to evaluate the influence of thermocycling on shear bond strength on bovine enamel and dentin surfaces of different adhesive systems. Methods: Thirty sound bovine incisors were sectioned in mesiodistal and inciso-cervical direction obtaining 60 incisal surfaces (enamel) and 60 cervical surfaces (dentin). Specimens were randomly assigned to 3 groups of equal size (n = 40), according to the adhesive system used: I-Single Bond; II-Prime & Bond NT/NRC; III-One Coat Bond. After 24-h storage in distilled water at 37 o C, each main group was divided into two subgroups: A- specimens tested after 24 h storage in distilled water at 37°C; B - specimens submitted to thermocycling (500 cycles). Shear bond strength tests were performed. Data were submitted to ANOVA and Tukey test. Results: Means (MPa) of different groups were: I-AE-16.96, AD-17.46; BE-21.60, BD-12.79; II-AE-17.20, AD-11.93; BE-20.67, BD-13.94; III-AE-25.66, AD-17.53; BE-24.20, BD-19.38. Significance: Thermocycling did not influence significantly the shear bond strength of the tested adhesive systems; enamel was the dental substrate that showed larger adhesive strength; One Coat Bond system showed the best adhesive strength averages regardless of substrate or thermocycling. © 2005 Springer Science + Business Media, Inc.
Issue Date: 
Journal of Materials Science: Materials in Medicine, v. 16, n. 8, p. 727-732, 2005.
Time Duration: 
  • Adhesives
  • Bond strength (chemical)
  • Chemical bonds
  • Distillation
  • Surfaces
  • Thermal cycling
  • Adhesive systems
  • Bovine enamel
  • Mesiodistal
  • Enamels
  • water
  • adhesion
  • analysis of variance
  • animal tissue
  • chemical bond
  • dentin
  • enamel
  • incisor
  • material coating
  • nonhuman
  • priority journal
  • randomization
  • shear strength
  • storage temperature
  • surface property
  • temperature
  • Adhesiveness
  • Animals
  • Biocompatible Materials
  • Cattle
  • Dental Cements
  • Dental Enamel
  • Dentin
  • Incisor
  • Materials Testing
  • Periodicity
  • Shear Strength
  • Temperature
  • Bovinae
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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