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Table 3 Correlation coefficients for items related to repeatability depending on the part of the beam aligned with the scale

From: Experimental study on the factors affecting torque of beam-type implant torque wrenches

Manufacturer Coefficient of variation (center) (%) Torque per 1 mm in scale (N cm/mm) Beam width (mm) Scale line width (mm)
Nippon Piston Ring 0.8 4.5
Kyocera 1.6 3.6 1.5 0.2
Nobel Biocare 1.7 3.6 1.0 0.1
THOMMEN 1.9 2.8 0.2 0.1
KTC 2.5 3.3 0.1 0.2
Straumann 2.6 4.4 1.1 0.1
SHOFU 2.9 5.0 2.0 0.5
GC 4.3 5.0 0.8 0.5