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Research Article
Effect of adaptive motion on cyclic fatigue resistance of a nickel titanium instrument designed for retreatment
Taha Özyürek, Koray Yılmaz, Gülşah Uslu
Restor Dent Endod 2017;42(1):34-38.   Published online December 19, 2016
DOI: https://doi.org/10.5395/rde.2017.42.1.34
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this study was to evaluate the cyclic fatigue resistance of the ProTaper Universal D1 file (Dentsply Maillefer) under continuous and adaptive motion.

Materials and Methods

Forty ProTaper Universal D1 files were included in this study. The cyclic fatigue tests were performed using a dynamic cyclic fatigue testing device, which had an artificial stainless steel canal with a 60° angle of curvature and a 5 mm radius of curvature. The files were randomly divided into two groups (Group 1, Rotary motion; Group 2, Adaptive motion). The time to failure of the files were recorded in seconds. The number of cycles to failure (NCF) was calculated for each group. The data were statistically analyzed using Student's t-test. The statistical significant level was set at p < 0.05.

Results

The cyclic fatigue resistance of the adaptive motion group was significantly higher than the rotary motion group (p < 0.05).

Conclusion

Within the limitations of the present study, the ‘Adaptive motion’ significantly increased the resistance of the ProTaper Universal D1 file to cyclic facture.

Citations

Citations to this article as recorded by  
  • The Effect of Different Separated File Retrieval Strategies on the Biomechanical Behavior of a Mandibular Molar: A Finite Element Analysis Study
    Anas Sira, Nawar Naguib Nawar, Shehabeldin Mohamed Saber, Hyeon-Cheol Kim
    Journal of Endodontics.2025; 51(1): 64.     CrossRef
  • Surface Alterations of Ni‐Ti Files After Retreatment of Root Canals Filled With Different Sealers: AFM and SEM Study
    Duygu Aksoy, Sibel Koçak, Mustafa Murat Koçak, Baran Can Sağlam
    Microscopy Research and Technique.2025;[Epub]     CrossRef
  • Evaluatation of two nickle-titanium systems’ (Neolix and X Pro Gold) resistance to fracture after immersion in sodium hypochlorite.
    Solmaz Araghi, Abbas Delvarani, Faeze dehghan, Parisa Kaghazloo
    journal of research in dental sciences.2024; 21(1): 17.     CrossRef
  • Assessment the impact of operator experience on cyclic fatigue resistance in reciprocating and rotary NiTi files: a comparative study between dental students and pediatric dentistry specialists
    Hande Özyürek, Mesut Elbay, Taha Özyürek
    Frontiers in Materials.2023;[Epub]     CrossRef
  • Evaluation of gutta-percha removal from the dentinal tubules using different instrumentation techniques with or without solvent: An In vitro study
    MukeshKumar Hasija, Babita Meena, Deepti Wadhwa, KulvinderKaur Wadhwani, Virender Yadav
    Journal of the International Clinical Dental Research Organization.2020; 12(1): 27.     CrossRef
  • Influences of Continuous Rotation and TF adaptive Motion on the Resistance of Different Retreatment File Systems to Deformation and Fracture: An In Vitro study
    Divya Meena, Ramyadharshini LNU, V Nivedha, Anand Sherwood
    Journal of Operative Dentistry & Endodontics.2018; 3(2): 71.     CrossRef
  • Comparison of cyclic fatigue life of nickel-titanium files: an examination using high-speed camera
    Taha Özyürek, Neslihan Büşra Keskin, Fatma Furuncuoğlu, Uğur İnan
    Restorative Dentistry & Endodontics.2017; 42(3): 224.     CrossRef
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