Fig. 2 Fig. 3 Fig. 4 Fig. 5 We began by taking pictures to verify the positioning of the upper cuspids, to ensure that we were keeping the buccal and lingual contours of the restoration as similar as possible to the original position. Then we prepared the tooth for a full crown. After prepping the tooth and taking upper and lower digital impressions (Fig. 2), we drew the margin on the tooth we were designing and used a Cerec Omnicam machine from Dentsply Sirona to create the initial proposal (Fig. 3). We evaluated the restoration to ensure the material was of adequate thickness. Occlusal contacts were checked to ensure we were not hitting too heavy, forcing the restoration to move distal and reopen the contact (Fig. 4). Then we checked the contours of the restoration to make sure they were similar to what the patient previously had for so long; our goal was to ensure that the feeling did not change for the patient. We created proper lingual and incisal interproximal contours and created a broad contact that would close the space, leaving a tight contact with no food trap (Fig. 5). The blocks were placed in the milling unit and a bar code entered to ensure the proper amount of material shrinkage during the sintering process (Fig. 6, p. 22). After 10 minutes of milling, the restoration was removed from the unit and we polished the zirconia material in its pre-sintered state using Luster Twist Polishers from Meisinger. We started with a course polisher, then a medium, fine and finally extra-fine polisher. We prefer polishing in a pre-sintered state because there is less of a pearl-like appearance after sintering, which provides a more natural look. dentaltown.com \\ JANUARY 2020 21http://www.dentaltown.com