Table 2.

The scoring rubric used to assess the intraoral scan stations.

Scoring component	Points	Details
Scanning preparation	25	Order creation is correct The tip is held smoothly and stable No saliva interference during scanning Cleans the lens and waits for 10 s to preheat the lens
Scanning operation	35	Continuous operation of the standard scanning sequence without pauses During the scanning, the lip and other soft tissues are pulled to expand the scanning field Scanning should be completed in 6 min (upper and lower jaws)
Scanning integrity	35	Mesial and distal interproximal surfaces are intact with no missing red-blue data The scan width of the gingival area is at least 2 mm Scanning of the occlusal surface or incisal edge is complete and clear The bite registration is correct
Software tool selection	5	Ability to use the software tools accurately