期刊
JOURNAL OF ENDODONTICS
卷 32, 期 11, 页码 1031-1043出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.joen.2006.06.008
关键词
fracture; instrument design; instrumentation protocols; rotary nickel-titanium instruments
The fracture of endodontic instruments is a procedural problem creating a major obstacle to normally routine therapy. With the advent of rotary nickel-titanium (NiTi) instruments this issue seems to have assumed such prominence as to be a considerable hindrance to the adoption of this major technical advancement. Considerable research has been undertaken to understand the mechanisms of failure of NiTi alloy to minimize its occurrence. This has led to changes in instrument design, instrumentation protocols, and manufacturing methods. In addition, factors related to clinician experience, technique, and competence have been shown to be influential. From an assessment of the literature presented, we derive clinical recommendations concerning prevention and management of this complication.
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