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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。
The advantages of nickel-titanium root canal preparation equipment for preparing curved small root canal are more and more favored by clinicians, but the biggest problem bothering the user is breaking. This article reviews the incidence of nickel-titanium instrument fracture and the factors that affect the fracture of the instrument.