Research Article
Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices
Figure 4
Four different measurement procedures. (a) Construction of the spheres and alignment of 3D model in the same CMM coordinate position. (b) Linear distances in between the center of the spheres. (c) Construction of planes and cylinders for all implants. (d) Installation of the center points of all implants.
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