Fig. 1From: Accuracy of keyless vs drill-key implant systems for static computer-assisted implant surgery using two guide-hole designs compared to freehand implant placement: an in vitro studyRepresentative case of a model with implants placed in fresh extraction sockets and healed ridges. Different alveolar ridge morphologies (A); implants of the drill-key (left) and keyless (right) systems (B). Sleeveless sites (orange); standard manufacturer’s sleeve (white) (C)Back to article page