Osteotome sinus floor elevation with or without grafting: a preliminary clinical trial.
Lai
Hong-Chang
HC
Department of Oral & Maxillofacial Implantology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China. lhc9@hotmail.com
Zhuang
Long-Fei
LF
Lv
Xiao-Fei
XF
Zhang
Zhi-Yong
ZY
Zhang
Yun-Xin
YX
Zhang
Zhi-Yuan
ZY