Effect of Connection Geometry and Cantilever Length on the Mechanical Behavior of Ti6Al4V and PEEK Bar-Supported Implant Prostheses with Angled Abutments

Description

Akgün models in twenty twenty-six how design choices stress full-arch tooth implants held by a bar. Angled rear implants and bar extensions past the last implant create bending loads in parts and jaw bone. The study used a jaw model built from a real scan. It varied the joint shape, the extension length, and the bar material, titanium alloy or a plastic called PEEK.

Longer extensions raised stress across parts and bone. A rounded joint design eased stress in the most loaded rear parts, though not everywhere, above all with the plastic bar. The peak stress appeared in the rear angled support of the longest plastic setup. The author advises care with plastic bars on long extensions.

Catalog record

Source: https://europepmc.org/articles/PMC13607827