Marginal bone loss of implant-supported prostheses with and without cantilever - a systematic review and meta-analysis
SHI Jun-yu, ZHANG Xiao-meng, GU Ying-xin, MO Jia-ji, QIAO Shi-chong, LAI Hong-chang.
China Journal of Oral and Maxillofacial Surgery . 2017, (5): 457 -462 .  DOI: 10.19438/j.cjoms.2017.05.016