Fig. 4.

frontal view x-ray; four different torsion angles on one specimen. a torsion = 37°, AMA = 4.9°, mLDFA = 84.6°; b torsion = 27°, AMA = 5.4°, mLDFA = 85.7°; c torsion = 17°, AMA = 5.8°, mLDFA = 86.1°; d torsion = 7°, AMA = 6.4, mLDFA = 86.4°