Large surface + Heat = Faster cutting Use the RootBuddy Cutting spoon L (large) for larger cutting jobs, e.g. cutting obturators or removing filling materials. You can also use the round form of the cutting spoon as a condenser. Small surface + Heat = More precise cutting The RootBuddy Cutting spoon S has a cutting surface of 1.8mm and a tip of 0.5mm with which you can model filling material with utmost precision. This is also handy if you want to cut and singe obturators.