The Incisal Variation tool provides the finishing touch and last tool application right before milling anterior restorations. I really like this tool! Understanding the principles behind the primary, secondary, and tertiary labial anatomy will help when applying this tool. This feature of the software will initiate the primary labial contours. Let find out how the Incisal Variation tool works! This video is applicable to 5.0, 4.5, and 4.6 software.