Fig. 1From: A comparative study of the use of digital technology in the anterior smile experienceDiagnostic wax-up die guide plat (a) Handmade die guide plat (b) Surgical positioning of the die guide plat combined with the "shu" double-armed ruler (c) Crown lengthening surgery with the die guide plat combined with the "shu" double-armed ruler (d) Gingival contouring with a temporary crown made of DMG resinBack to article page