Fig. (2) Demonstration of interproximal enamel reduction method (frontal view). (A) Initial enamel amount removed by a handheld abrasive strip. Interdental tissues protected using a wooden wedge. (B) Main interproximal removal carried out by single sided diamond disks. Note the air syringe used for necessary cooling. (C) Polishing of treated surfaces by means of fine sand discs. (D) Final outcome.