Evaluation of implants placed in ridge preserved bilateral maxillary second molars with flap versus flapless procedures: a case report with a 6-year post-loading follow-up
Han Ziyao, Zhao Liping, Xu Tao, Hu Wenjie, Liu Yunsong
Chinese Journal of Oral Implantology . 2021, (1): 54 -59 .  DOI: 10.12337/zgkqzzxzz.2021.02.012