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 |