مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

Cyclic fatigue resistance of reduced-taper nickel-titanium (NiTi) instruments in doubled-curved (S-shaped) canals at body temperature

Pages

  111-116

Abstract

 Background. This study was conducted to compare the cyclic Fatigue resistance of VDW. ROTATE, TruNatomy Prime, HyFlex CM, and 2Shape Nickel-titanium (NiTi) Rotary instruments in doublecurved canals in a simulated clinical environment. Methods. Eighty NiTi files were used for the fatigue testing in stainless steel canals compatible with instrument sizes until fracture occurred (n=20): VDW. ROTATE (04. /25#), TruNatomy Prime (04. /26#), HyFlex CM (04. /25#) and 2Shape TS04. /25#( 1). For each instrument, the number of cycles to fracture (NCF) was calculated, and the fractured fragment length (FL) was measured. To verify that the files were fractured due to cyclic fatigue, the fractured surfaces of the files were evaluated under a scanning electron microscope. Data were statistically analyzed using the Kruskal– Wallis and Student’ s t-tests at the %95 confidence level. Results. The failure of the files due to cyclic fatigue was first seen in the apical curvature before the coronal curvature (P<0. 05). The highest Fatigue resistance was observed in VDW. ROTATE and HyFlex CM files in both curvatures (P<0. 05). There were no significant differences in the Fatigue resistance between the HyFlex CM and VDW. ROTATE files or between the 2Shape and the TruNatomy files (P>0. 05). There was no difference in the fractured lengths of the files between the apical and coronal curvatures (P>0. 05). Conclusion. In artificial S-shaped root canals, VDW. ROTATE and HyFlex CM files exhibited higher Fatigue resistance compared to 2Shape and TruNatomy files.

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    • References

    Cite

    APA: Copy

    USLU, GULSAH, Gundogar, Mustafa, OZYUREK, TAHA, & Plotino, Gianluca. (2020). Cyclic fatigue resistance of reduced-taper nickel-titanium (NiTi) instruments in doubled-curved (S-shaped) canals at body temperature. JOURNAL OF DENTAL RESEARCH, DENTAL CLINICS, DENTAL PROSPECTS, 14(2), 111-116. SID. https://sid.ir/paper/780509/en

    Vancouver: Copy

    USLU GULSAH, Gundogar Mustafa, OZYUREK TAHA, Plotino Gianluca. Cyclic fatigue resistance of reduced-taper nickel-titanium (NiTi) instruments in doubled-curved (S-shaped) canals at body temperature. JOURNAL OF DENTAL RESEARCH, DENTAL CLINICS, DENTAL PROSPECTS[Internet]. 2020;14(2):111-116. Available from: https://sid.ir/paper/780509/en

    IEEE: Copy

    GULSAH USLU, Mustafa Gundogar, TAHA OZYUREK, and Gianluca Plotino, “Cyclic fatigue resistance of reduced-taper nickel-titanium (NiTi) instruments in doubled-curved (S-shaped) canals at body temperature,” JOURNAL OF DENTAL RESEARCH, DENTAL CLINICS, DENTAL PROSPECTS, vol. 14, no. 2, pp. 111–116, 2020, [Online]. Available: https://sid.ir/paper/780509/en

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