手持根管器械
handle endodontic instrument
ProTaper手用根管器械
hand ProTaper NITI instrument
根管扩大
Widening of root canal
nerve root canal enlargement
塔波特根管扩大针
Talbot s root canal reamer
根管手术显微镜
dental operating microscope
手术器械管理系统
surgical apparatus management system
扩大根治
Extended radical resection
扩大根治术
The extended radical operation
Extended radical resection
Extended pancreaticoduodenectomy
Super-radical excision
extended radical operation
extensive radical resection
扩大根治性切除
Extended radical resection