Silicone Implant Surface Roughness, Friction, and Wear.

ABSTRACT: Textured silicone breast implants with high average surface roughness ("macrotextured") have been associated with a rare cancer of the immune system, Breast Implant-Associated Anaplastic Large Cell Lymphoma (BIA-ALCL). Silicone elastomer wear debris may lead to chronic inflammation, a key step in the development of this cancer. Here, we model the generation and release of silicone wear debris in the case of a folded implant-implant ("shell-shell") sliding interface for three different types of implants, characterized by their surface roughness. The "smooth" implant shell with the lowest average surface roughness tested (R_a = 2.7 ± 0.6 μm) resulted in average friction coefficients of μ_avg = 0.46 ± 0.11 across 1,000 mm of sliding distance and generated 1,304 part

SUBMITTER: Atkins DJ 

PROVIDER: S-EPMC10181813 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature