Microtensile bond strength of a universal adhesive to deep dentin

Authors

  • Cristina Gre 1 – Departament of Operative Dentistry – Federal University of Santa Catarina – Florianópolis – SC – Brazil.
  • MAuro Amaral Caldeira de Andrada 1 – Departament of Operative Dentistry – Federal University of Santa Catarina – Florianópolis – SC – Brazil.
  • Sylvio Monteiro Junior 1 – Departament of Operative Dentistry – Federal University of Santa Catarina – Florianópolis – SC – Brazil.

DOI:

https://doi.org/10.14295/bds.2016.v19i2.1259

Abstract

Objective: This study evaluated the microtensile bond strength of a universal adhesive system applied to deep dentin under different bonding strategies. Material and Methods: Fifteen human third molars had the coronal portion removed exposing deep dentin and were assigned into 3 groups according to the adhesive system: G1(control): 2-steps totaletch (Adper Single Bond 2, 3M ESPE); G2: 1-step self-etch universal adhesive (Scotchbond Universal, 3M ESPE); G3:2 steps total-etch universal adhesive (Scotchbond Universal, 3M ESPE). Composite buildups were performed on the dentin surfaces and after water storage for 24 h, teeth were sectioned to obtain 40 bonded beams per group with sectional area of 0.9 mm2 . The specimens were submitted to the microtensile bond strength (µTBS) test until failure. Statistical analyses were computed using one-way ANOVA (p = 0.05). Results: The mean µTBS (in MPa) were G1 = 22.27, G2 = 22.85 and G3 = 20.3. After statistical analysis, no significant differences were observed among the groups. Conclusions: Universal adhesive system performed similarly to the total-etch adhesive and was not affected by the adhesion strategy.

 

KEYWORDS

Microtensile; Adhesive system; Dentin.

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Published

2016-07-07

How to Cite

1.
Gre C, Amaral Caldeira de Andrada M, Monteiro Junior S. Microtensile bond strength of a universal adhesive to deep dentin. BDS [Internet]. 2016 Jul. 7 [cited 2025 Aug. 21];19(2):104-10. Available from: https://ojs.ict.unesp.br/index.php/cob/article/view/1259

Issue

Vol. 19 No. 2 (2016): Apr. - Jun. / 2016 - Published June 2016

Section

Clinical or Laboratorial Research

License

Brazilian Dental Science uses the Creative Commons (CC-BY 4.0) license, thus preserving the integrity of articles in an open access environment. The journal allows the author to retain publishing rights without restrictions.

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