Comparison of the bond strength of laser-sintered and cast base metal dental alloys to porcelain

Dental Materials : Official Publication of the Academy of Dental Materials
Tolga AkovaWilliam A Brantley

Abstract

The purpose of this study was to compare shear bond strengths of cast Ni-Cr and Co-Cr alloys and the laser-sintered Co-Cr alloy to dental porcelain. Dental porcelain was applied on two cast and one laser-sintered base metal alloy. Ten specimens were prepared for each group for bond strength comparison. ANOVA followed by Tukey HSD multiple comparison test (alpha=0.05) was used for statistical analysis. Fractured specimens were observed with a stereomicroscope to classify the type of failure after shear bond testing. While the mean shear bond strength was highest for the cast Ni-Cr metal-ceramic specimens (81.6+/-14.6 MPa), the bond strength was not significantly different (P>0.05) from that for the cast Co-Cr metal-ceramic specimens (72.9+/-14.3 MPa) and the laser-sintered Co-Cr metal-ceramic specimens (67.0+/-14.9 MPa). All metal-ceramic specimens prepared from cast Ni-Cr and Co-Cr alloys exhibit a mixed mode of cohesive and adhesive failure, whereas five of the metal-ceramic specimens prepared from the laser-sintered Co-Cr alloy exhibited the mixed failure mode and five specimens exhibited adhesive failure in the porcelain. The new laser-sintering technique for Co-Cr alloy appears promising for dental applications, but additio...Continue Reading

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Citations

Jan 26, 2012·Lasers in Medical Science·Ali Riza TuncdemirAslihan Usumez
Nov 5, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Philipp KohorstMeike Stiesch
Apr 10, 2010·Dental Materials Journal·Zeynep OzkurtAhmet Unal
May 21, 2011·Dental Materials Journal·Ufuk IseriEnder Kazazoglu
Feb 11, 2012·Medicina oral, patología oral y cirugía bucal·Raquel Castillo-de-OyagüeMaria-Jesús Suárez-García
Feb 19, 2014·Dental Materials : Official Publication of the Academy of Dental Materials·Y S Al JabbariS Zinelis
Oct 22, 2013·The Journal of Prosthetic Dentistry·Lan YaoJianqing Wu
Jan 17, 2014·Journal of Indian Prosthodontic Society·K Vijay Venkatesh, V Vidyashree Nandini
Jan 17, 2014·Journal of Indian Prosthodontic Society·Ganesh RameshVasantha Vijayaraghavan
Mar 16, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Fatih ToptanEdith Ariza
Mar 19, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Atsushi TakaichiTakao Hanawa
Jan 16, 2010·Dental Materials : Official Publication of the Academy of Dental Materials·Lawrence Mair, P Padipatvuthikul
Sep 29, 2009·The Journal of Prosthetic Dentistry·Yurdanur UcarWilliam A Brantley
Mar 15, 2016·Journal of the Mechanical Behavior of Biomedical Materials·Yuka KajimaNoriyuki Wakabayashi
Dec 19, 2015·Journal of Prosthodontic Research·Ji-Young SimWoong-Chul Kim
Jul 19, 2015·The Journal of Prosthetic Dentistry·Süleyman Hakan TunaIşin Kürkçüoğlu
Jul 28, 2015·The Journal of Prosthetic Dentistry·Harald NesseMarit Øilo
Jun 30, 2011·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Nelson R F A SilvaVan P Thompson
Oct 19, 2011·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Luis Gustavo Oliveira de VasconcellosMarco Antonio Bottino
Apr 9, 2016·Journal of the Mechanical Behavior of Biomedical Materials·R L P SantosB Henriques
Jul 2, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Theodoros KoutsoukisYoussef S Al Jabbari
Jan 17, 2013·Acta Odontologica Scandinavica·Sozan Hama Suleiman, Per Vult von Steyern
Nov 22, 2011·Journal of the Mechanical Behavior of Biomedical Materials·B HenriquesF S Silva
Dec 18, 2010·Dental Materials : Official Publication of the Academy of Dental Materials·Anders ÖrtorpPer Vult von Steyern
Sep 24, 2016·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Abdullah BarazanchiJ Neil Waddell
Jun 1, 2017·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Omar AlageelFaleh Tamimi
Mar 1, 2017·The Journal of Advanced Prosthodontics·Shirin LawafArash Azizi
Sep 2, 2014·The Journal of Advanced Prosthodontics·Eun-Jeong BaeHae-Young Kim

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