Intended to area a spherical dimple in almost any site over the aligner. No warmth required to accomplish the dimple. Just squeeze the plier on the desired location to accomplish the dimple. Due to style of the dimple plier it will not distort the aligner in the course of placement. https://alignerdimpleplier92457.tinyblogging.com/the-dimple-aligner-plier-diaries-76647978