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The dimensions of the 12/14 taper were measured by means of a digital calliper: proximal diameter of the contact area, i.e., the smallest diameter of the male taper that was engaged with the head bore; contact length i.e., the axial length of the male taper that was engaged with the head bore. All measurements were rounded to 0.1 mm. The head diameter was also measured. The taper angle was achieved from the manufacturer’s specifications. The centroid height was calculated.
