TY - GEN AU - Gao,Xiao-jie AU - Xu,Wei-ning TI - [Analysis of vertical root fracture with two different techniques of root canal preparation] SN - 1006-7248 PY - 2015///0709 KW - Humans KW - Root Canal Preparation KW - Root Canal Therapy KW - Stainless Steel KW - Tooth Root N1 - Publication Type: Journal Article ER -