EVALUATION OF BLEACHING ON A CAD/CAM HYBRID CERAMIC MATERIAL

Bogdan  CULIC; Cristina  GASPARIK; Adrian Mihai  VARVARĂ; Carina  CULIC; Cristian Mihai  DRAGOȘ; Laura  SILAGHI DUMITRESCU; Diana  DUDEA

doi:10.24193/subbchem.2017.1.05

EVALUATION OF BLEACHING ON A CAD/CAM HYBRID CERAMIC MATERIAL

Authors

Bogdan CULIC Department of Prosthetic Dentistry and Dental Materials, Faculty of Dental Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania. Email: bculic@umfcluj.ro. https://orcid.org/0000-0002-9350-7892
Cristina GASPARIK Department of Prosthetic Dentistry and Dental Materials, Faculty of Dental Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania. Email: gasparik.cristina@umfcluj.ro. https://orcid.org/0000-0001-9271-9589
Adrian Mihai VARVARĂ Department of Prosthetic Dentistry and Dental Materials, Faculty of Dental Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania. Email: varvara.mihai@umfcluj.ro. https://orcid.org/0000-0001-9271-9589
Carina CULIC Department of Prosthetic Dentistry and Dental Materials, Faculty of Dental Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania. Email: carina.culic@umfcluj.ro.
Cristian Mihai DRAGOȘ Department of Statistics, Faculty of Economics and Business Administration, Babes-Bolyai University, Cluj-Napoca, Romania. Email: cristian.dragos@econ.ubbcluj.ro. https://orcid.org/0000-0003-1552-0490
Laura SILAGHI DUMITRESCU Raluca Ripan Chemistry Research Institute, Babes Bolyai University, Cluj-Napoca, Romania. Email: lauraiulia2000@yahoo.com. https://orcid.org/0000-0001-9060-8463
Diana DUDEA Department of Prosthetic Dentistry and Dental Materials, Faculty of Dental Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania. Email: ddudea@umfcluj.ro. https://orcid.org/0000-0002-9080-9625

DOI:

https://doi.org/10.24193/subbchem.2017.1.05

Keywords:

CAD/CAM, hybrid ceramics, polymer, bleaching, color, SEM

Abstract

The objective of our study was to test the bleaching effect of two whitening gels, on stained hybrid ceramic material used for Computer Aided Design/ Computer Aided Manufacturing technology. 40 rectangular specimens 12/14/1mm were prepared from Vita Enamic blocks. All specimens were accelerated stained, and distributed in two groups. Group 1 was bleached using Opalescence PF 15% (Ultradent, USA), group 2 was bleached using an experimental gel containing natural products. ΔE* (used to assess the color changes) was above the perceptibility threshold of 1.2 in 40%; and the WI_D (used to assess the bleaching process in dentistry) showed high units for both bleaching gels. Hybrid ceramics staining showed moderate results, while the bleaching effect was present, with no statistical difference between the discolorations produced by the two bleaching gels (p<0.05). SEM images showed that the bleaching gels did not affect the surface structure of the material.

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STUDIA UBB CHEMIA, Volume 62 (LXII), No. 1, March 2017

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Published

2017-03-30

How to Cite

CULIC, B. ., GASPARIK, C. ., VARVARĂ, A. M. ., CULIC, C. ., DRAGOȘ, C. M. ., SILAGHI DUMITRESCU, L. ., & DUDEA, D. . (2017). EVALUATION OF BLEACHING ON A CAD/CAM HYBRID CERAMIC MATERIAL. Studia Universitatis Babeș-Bolyai Chemia, 62(1), 61–71. https://doi.org/10.24193/subbchem.2017.1.05