This is an old technique to increase resistance and retention - first popularized in the 1960s by David Shooshan of Los Angeles. Dr. Shooshan used twist drills plastic analogs to capture the impression.
In this video, we will be using a different technique to create the pin, as taught to me in the 1990s by Dr. Richard V. Tucker.
This video is about Cast Gold Restorations: PART 6: PINLAY #11 PREP.
RECOMMENDED BOOK
Abhidnya Gaikwad, Meenal Gulve and Roshan Samuel
308 pages - LAP LAMBERT Academic Publishing - 2018
► More of Cast Gold Restoration:
