Built to area a round dimple in any site over the aligner. No heat required to reach the dimple. Just squeeze the plier on the desired site to accomplish the dimple. Due to the layout of your dimple plier it will never distort the aligner in the course of placement. https://dimple-pliers79245.blogdal.com/33457089/not-known-factual-statements-about-dimple-pliers