根管治疗术中镍钛器械折断因素的研究进展

Research development of fracture factors of nickel-titanium instruments in root canal therapy

镍钛根管预备器械预备弯曲细小根管的优越性越来越受临床医生的青睐,但困扰使用者的最大问题就是折断。该文就镍钛器械折断的发生率及其影响器械折断的因素作一综述。

Due to superiorities of nickel - titanium instrument on preparing curved and small canals, dentists paied more and more attentions on it. However, the most important problem harassing them was the instrument fracture. This paper reviews the prevalence of nickel - titanium instrument fracture and the factors influencing the fractures.