Volume 6, Issue 1, June 2020, Page: 7-12
A Comparative Assessment of Bond Strength of PEEK Crowns to Natural Teeth with Two Different Resin Cements
Nishath Ayesha, Department of Prosthodontics Including Crown and Bridge and Implantology, Kaloji Narayana Rao University of Health Sciences, Telangana, India
Sadiq Mohammed Sabir Ali, Sri Sai Dental College and Hospital, Hyderabad, India
Y. Mahadev Shastry, Sri Sai Dental College and Hospital, Hyderabad, India
K. Mahendernath Reddy, Sri Sai Dental College and Hospital, Hyderabad, India
Received: May 20, 2020;       Accepted: Jun. 20, 2020;       Published: Aug. 4, 2020
DOI: 10.11648/j.ijdm.20200601.12      View  97      Downloads  26
Statement of problem: For a successful clinical outcome, luting agents should have a high bond strength. Bond failure is still one of the main reasons of restoration failures. Purpose: The purpose of this study was to evaluate tensile bond strength of PEEK with two different resin cements. Materials and methodology: Two self-adhesive cements (RelyX Unicem, G-CEM LinkAce), twenty permanent human premolars were used. In the present experimental study, teeth were prepared to receive copings with a chamfer bur at high speed cooled with an air/water spray. PEEK copings were fabricated and specimens were divided into two groups based on the type of cement used. The tensile load required to de-bond the crowns was measured using universal testing machine with a cross speed of 1mm/min. The data was analysed by paired t test. Results: The maximum and minimum amounts of bond strength were seen in RelyX Unicem and G-CEM LinkAce cements respectively. Despite this different bond values in cements, paired t test disclosed significant difference between groups in the mean amount of bond strength (p-value=0.05). Conclusion: Regarding the results of the study, it was concluded that G-CEM LinkAce presented higher bond strength.
G-CEM LinkAce, PEEK, RelyX Unicem, Tensile Bond Strength
To cite this article
Nishath Ayesha, Sadiq Mohammed Sabir Ali, Y. Mahadev Shastry, K. Mahendernath Reddy, A Comparative Assessment of Bond Strength of PEEK Crowns to Natural Teeth with Two Different Resin Cements, International Journal of Dental Medicine. Vol. 6, No. 1, 2020, pp. 7-12. doi: 10.11648/j.ijdm.20200601.12
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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