Journal of Oral Science Research
Review on Transcrestal Sinus Floor Elevation without Grafting Materials When the Residual Bone Height<4 mm
YU Haina, MENG Weiyan
Journal of Oral Science Research . 2021, (5): 389 -392 .  DOI: 10.13701/j.cnki.kqyxyj.2021.05.003