Apicoectomy
(重定向自Apicectomy)

A root end surgery, also known as apicoectomy (apico- + -ectomy), root resection, retrograde root canal treatment (c.f. orthograde root canal treatment) or root-end filling, is an endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material.