The Angled Screw Channel: Latest Findings

April 1, 2023

In the past, labial implant projection in the anterior maxilla might have required prosthetic screw access through facial or incisal restoration surfaces. Introduction of the angled screw channel (ASC) concept permitted prosthetic screw tightening using a hexalobular, sphere-shaped driver that engages the screw at various angles. This allows the screwdriver and the restoration’s screw channel to follow an orientation different than the implant’s long axis to emerge more esthetically through the restoration’s palatal surface. While the ASC design may have solved the esthetic concern, other problems may arise. This issue of Prosthodontics Newsletter looks at recent research on the ASC.

Inside this issue:

  • Torque Changes after Functional Loading
  • Conventional vs Digital Workflow
  • Survival of ASC Systems
  • Evaluating ASC Prostheses

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