https://www.selleckchem.com/pr....oducts/onx-0914-pr-9
05) The mean time for instrument removal was higher with the ultrasonic tips than with the TFRK (p 0.05). Conclusion Both systems are acceptable clinical tools for instrument retrieval but the loop device in the TFRK requires slightly more dexterity than is needed for the ProUltra tips.Objective The aim of this study was to evaluate the influence of different modeling agents on the surface microhardness (Vickers hardness number; VHN), roughness (Ra), and color change (ΔE) of a nano-hybrid composite with or without exposure
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