https://www.selleckchem.com/pr....oducts/amg-perk-44.h
6% of the root sections. No defects were observed in G1. G5 had significantly more cracks and craze lines than G1, G2, and G3 ( 0.05), and more fractures than G1, G2, G3, and G4 ( 0.05). When all root sections were analyzed together, significantly more defects were observed at the 12-mm level than at the 3-mm level ( 0.05). PSP drills caused defects in the root dentin. Gates-Glidden drills caused fewer root defects than Largo-Peeso reamers and Exacto drills. PSP drills caused defects in the root dentin. Gates-Glidden