Published by on 23 de julho de 2026 This item is available in 4 color variations: Pink, Blue, RGS 1, and RGS 2 — including shades similar to Green and Purple in both RGS 1 and RGS 2 models. Used by thousands of dentists, dental students, and leading dental schools, the INSTUMAX® RGS series trains your eye to evaluate preparation accuracy within 0.1 mm of the ideal — helping you work toward clinical mastery.