A good digital data must consider below 4 items:
1. data accuracy;
2. Margin;
3. Occlusion
4. undercut
Typically, a shipment (fixed or removable) requires a working model, an opposing model, and an occlusion relationship. Additionally, it may includes items such as: preoperative models, reference models, intraoral metal frameworks, wax rims, etc. (Implant) shipments require scanning sleeves, scanning rods, opposing models, and occlusion.
data can be acceptable:
Model was not be completed scanned but does not effect to work area, technician can fix this data to select work area for the following design task.
Data are unacceptable:
1. Deformation of the abutment tooth scan directly affects seating, high risk to cause redo
2. Overlapping deformation in the scan can lead to improper fitting issue.
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