Clinical and radiologic outcomes of conical bone-level implants with internal hexagonal connections:a short-term retrospective study
LIU Xin, ZHANG Xiaocong, HU Mingxuan, et al
Chinese Journal of Oral Implantology . 2019, (2): 77 -81 .  DOI: 10.12337/zgkqzzxzz.2019.06.008