Resonance frequency analysis of implants placed with osteotome sinus floor elevation in posterior maxillae in canine
QIAO Shi-chong, MO Jia-ji, ZHANG Xiao, ZHU Yu, ZHANG Xiao-meng, SHI Jun-yu, QIAN Shu-jiao, LAI Hong-chang
China Journal of Oral and Maxillofacial Surgery . 2019, (2): 117 -122 .  DOI: 10.19438/j.cjoms.2019.02.004