The three, easily identified files are designed for the different needs of unfilling the coronal third, the mid-third and the apical third – before canal reshaping. A working tip on the D1 file facilitates initial penetration.
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The three, easily identified files are designed for the different needs of unfilling the coronal third, the mid-third and the apical third – before canal reshaping. A working tip on the D1 file facilitates initial penetration.