Clinical Cases, Labside Clinical case - Frame structure without backing lingual support By Daniele Rondoni, RDT Considering different criteria to select the ideal zirconia and frame design to meet the level of esthetics requested. Step 1Final Preparations. Step 2Zirconia Frame (KATANA Zirconia STML A2) cut-back designed to reproduce translucent incisal area. Step 3Application of 1st Internal Stain and firing. Step 4Application of 1st Luster, Clear Cervical and firing. Step 5Application of 2nd Internal Stain and firing. Step 6Application of 2nd Luster, and Opacious Body. Step 7Completion of firing. Step 8Completion of morphological correction. Step 9Post-operative view. Oct 7, 2020 Katana Zirconia Clinical Case esthetics KATANA Zirconia STML A2 KATANA Zirconia STML View Product 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.