Changhoon Lee, CDT, covers complex and challenging all-on-4 cases using Dynamic angled screw channel abutments that help create outstanding esthetic solutions and results. He also addresses challenging single-screw anterior cases using Dynamic abutment single screw-retained crowns and repositioning screw access for more desired esthetic outcomes. Also, learn how to use Preat’s new Choice Digital Library to create more esthetic and functional restorations faster and more easily.