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Precision Meets Artistry: The Silicone Key Technique Restoring a fractured central incisor isn’t just about filling a gap; it’s about reconstructing biomechanics and optical harmony. Why use a Silicone Index? By creating a mold from a diagnostic wax-up (or the original tooth), we can: 1️⃣ Establish the exact palatal wall thickness. 2️⃣ Ensure perfect incisal edge positioning. 3️⃣ Control the layering of composite increments to mimic natural enamel and dentin. In this case, notice how the putty i