Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Reconstructed three-dimensional (3D) surface topographies of analyzed samples, and Sa and Sq values: (a) untreated PEEK; (b) polished PEEK; (c) sandblasted PEEK; (d) untreated CFR-PEEK; (e) polished CFR-PEEK; (f) sandblasted CFR-PEEK; (g) polished Ti; (h,i) Sa and Sq values of as-printed, polished, and sandblasted PEEK and CFR-PEEK samples, the polished Ti was used as an additional reference. The data are presented as means ± standard deviation, * p < 0.05.
