Fig. 4

Construct failures in the torque to failure test; a Fixation loosening in the medullary canal of the middle phalanx and b cortical breakage of the distal phalanx in specimens with the axial headless compression screw technique. c Fixation loosening from the cortex of the middle phalanx and d cortical breakage of the distal phalanx in specimens with the nonaxial multiple small screws technique