Comparative analysis of surface characteristics and hardness of three dimensional printed PEEK vs PEKK - as implant biomaterial . Journal of Osseointegration, [S. l.], v. 16, n. 1, p. 16–22, 2024. DOI: 10.23805/JO.2024.579. Disponível em: https://www.journalofosseointegration.eu/jo/article/view/579. Acesso em: 22 jan. 2026.