10135
Dental
What is torsional limit?
AAmount of apical pressure that can be applied to a file to the point of breakage
BThe beginning of plastic deformation of the instrument
CAmount of rotational torque that can be applied to a βlockedβ instrument to the point of breakage (Correct Answer)
DAmount of force necessary so that a file does not return to its original shape upon unloading of the force