Fracture resistance and crystal phase transformation of a one‐ and a two‐piece zirconia implant with and without simultaneous loading and aging - an in vitro study - Burkhardt, Felix (Verfasser); Spies, Benedikt Christopher (Verfasser); Riemer, Lennart (Verfasser); Adolfsson, Erik (Verfasser); Doerken, Sam (Verfasser); Kohal, Ralf-Joachim (Verfasser) (Universität, 2021)