(A) Implant fixture. (B) Cover screw. (C) Healing abutment. (D) Closed tray impression post. (E) Open tray impression post. (F) Implant analogue. (G) Custom zirconia abutment. (H) Waxable/castable abutment. (I) Prosthetic screw. (Courtesy Nobel Biocare USA, Yorba Linda, CA.)