The effect of PRF membrane covering the surface of Bio-oss bone graft material on the soft tissue augmentation of dental implants in aesthetic area of anterior teeth and its aesthetic effect
DUAN Li-li, XUE Yi, GUO Kang, LIU Qi, BIAN Yu-xin, LI Hui
Journal of Hebei Medical University . 2023, (9): 1063 -1067 .  DOI: 10.3969/j.issn.1007-3205.2023.09.014