The PTC Perfect Margin Technique is used for making margins for dental cases. This technique was developed using a #8 round bur, the PTC WC-1 Wax Carver, and the PTC Perfect Margin Dipping Wax. For more information about this technique and PTC training visit http://www.ptcdental.com. The products and instruments used in this technique can be purchased from Blue Dolphin Products, at http://www.bdpdental.com.