Fig. 2

A workflow example from one of subjects in the experimental group. (a) Presentation after initial tooth preparation revealing the absence of axial tooth structure on the distal surface of #16. (b) Completion of tooth preparation and clinical crown lengthening. (c) Acquisition of intraoral scanning of #16 and its neighboring areas. (d) Computer-aided design (CAD) of the definitive restoration. (e) Radiograph of the definitive restoration at delivery (T1). (f) Presentation of the lithium-disilicate crown at 12 months (T2)