Non-thermal plasma increase bond strength of zirconia to a resin cement

Authors

  • Beatriz Togoro Ferreira da Silva Operative Dentistry Department - School of Dentistry - University of São Paulo - Sao Paulo – Brazil.
  • Lívia Tosi Trevelin Operative Dentistry Department - School of Dentistry - University of São Paulo - Sao Paulo – Brazil.
  • Fernanda de Sá Teixeira Institute of Physics - University of São Paulo - Sao Paulo – Brazil.
  • Maria Cecília Salvadori Institute of Physics - University of São Paulo - Sao Paulo – Brazil.
  • Paulo Francisco Cesar Biomaterials and Oral Biology Department - School of Dentistry - University of São Paulo - Sao Paulo – Brazil.
  • Adriana Bona Matos Operative Dentistry Department - School of Dentistry - University of São Paulo - Sao Paulo – Brazil.

DOI:

https://doi.org/10.14295/bds.2018.v21i2.1562

Abstract

Objective: This study investigated the influence of different surface treatments on zirconia surface energy, roughness and microshear bond strength. Material and Methods: Forty eight slices of Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP- VITA In-Ceram® YZ for inLab®) (6.4 x 3.2 x 1.6 mm) were divided into 3 groups according to the surface treatment (n = 16): YTZP_control -untreated; YTZP_plasma -surface treatment with non-thermal oxygen plasma; YTZP_primer - coating with ceramic primer. Surface energy (n = 6) was measured with a goniometer; and surface roughness (n = 10) was analyzed with a 3D profilometer were performed over zirconia surface. On the same specimens of surface roughness, on the treated zirconia's surface, resin cement (PANAVIA V5 - Kuraray Noritake Dental) was built up by inserting the resin cement into Tygon tubes (1 mm of internal diameter X 1 mm length).  After 24 h storage, microshear test was assessed. Data were analyzed by one-way ANOVA and Tukey post-hoc test (p < 0.05). Results: Non-thermal oxygen plasma treated specimens exhibited higher statistically significant surface energy (p = 0.00) and bond strength (p = 0.00) when compared to control and primer groups. Roughness test (p = 0.897) could not detect statistical difference among the tested groups.
Conclusion: Non-thermal oxygen plasma should be a suitable alternative for zirconia surface treatment prior to luting hence it improved microshear bond strength and provided higher surface energy without affecting surface roughness.

 

Keywords                                                                                                  

Adhesion; Non-thermal plasma; Surface treatment.

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Published

2018-05-23

How to Cite

1.
da Silva BTF, Trevelin LT, Teixeira F de S, Salvadori MC, Cesar PF, Bona Matos A. Non-thermal plasma increase bond strength of zirconia to a resin cement. BDS [Internet]. 2018 May 23 [cited 2025 Aug. 21];21(2):210-9. Available from: https://ojs.ict.unesp.br/index.php/cob/article/view/1562

Issue

Vol. 21 No. 2 (2018): Apr. - Jun. / 2018 - Published April 2018

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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