https://www.selleckchem.com/pr....oducts/azeliragon.ht
The aim of this study was to evaluate the effect of different access opening restorative materials on crown retention. Thirty-eight extracted molars were mounted in resin and prepared for porcelain fused to metal (PFM) crowns. The crowns were fabricated and cemented with zinc phosphate, and the force to displace it was measured with a tensile-testing machine before and after endodontic access preparations. The endodontic access area, crown preparation axial wall, and preparation surface area were measured for comparison. The crowns w
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