Dissection and Anal Dilatation and Local Obturate in the Treatment of Medical Anal Stricture in 18 Cases 切开扩肛局封治疗医源性肛门狭窄18例
Physical Isolation obturate is to prevent computers from being attacked from the outside and giving the information away. 物理隔离的封闭性是为防止外来闯入和信息外泄,数据转发的开放性则是沟通与外界联系。
Objective To evaluate the ability of five filling techniques to obturate simulated lateral canals. 目的评价五种根充技术对侧支根管的封闭能力。