Clinical Cases, Labside Clinical case - Frame structure lingual support By Daniele Rondoni, RDT Hybrid designing meets the functional needs in term of lower abrasiveness and higher toughness. Step 1Zirconia Frame (KATANA Zirconia HTML A2) cut-back designed to minic anatomical dentin structure and incisal frame. Step 2Application of Internal Stain. Step 3Completion of Internal Stain firing. Step 4Application of Luster, Clear Cervical and Opacious Body. Step 5Completion of firing. Step 6Completion of glaze (self-glaze) firing. Step 7Polishing of lingual side. Step 8Post-operative view. 4-Years Post-operative. Jun 12, 2020 Clinical Case Subscribe to our Newsletter Join thousands of dental professionals and receive free advice that can help you and your career. We will not spam or share your e-mail.