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Open AccessArticle

Effect of Irrigants on the Push-Out Bond Strength of Two Bioceramic Root Repair Materials

1
Endodontic Department, Faculty of Dentistry, King Abdulaziz University, Jeddah 22252, Saudi Arabia
2
Endodontic Department, Faculty of Dentistry, Cairo University, Giza 12345, Egypt
*
Author to whom correspondence should be addressed.
Materials 2019, 12(12), 1921; https://doi.org/10.3390/ma12121921
Received: 1 April 2019 / Revised: 25 May 2019 / Accepted: 12 June 2019 / Published: 14 June 2019
The purpose of this study was to compare different irrigants’ effect on two EndoSequence root repair materials’ push-out bond strength. Sixty root slices were filled either with EndoSequence premixed fast-set putty or regular-set paste, and then immersed either in sodium hypochlorite, chlorhexidine gluconate, or saline (as control) for 30 min, after which the slices were subjected to the push-out test. The surface structures were evaluated with Scanning Electron Microscopy and Fourier Transform Infrared. Fast-set putty exhibited greater displacement resistance when immersed in saline and subjected to adhesive failure mode, while regular-set paste showed greater resistance when immersed in chlorhexidine and subjected to cohesive failure mode. Infrared analysis showed changes in organic filler, and carbonate and phosphate bands after using irrigants. The lowest carbonate/phosphate ratio was found for chlorhexidine in both materials. Therefore, sodium hypochlorite reduced EndoSequence root repair materials’ displacement resistance markedly. View Full-Text
Keywords: compressive strength; EndoSequence root repair material; root canal irrigants compressive strength; EndoSequence root repair material; root canal irrigants
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Alamoudi, R.A.; Abu Zeid, S.T. Effect of Irrigants on the Push-Out Bond Strength of Two Bioceramic Root Repair Materials. Materials 2019, 12, 1921.

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