Cyclic Fatigue Resistance of XP-Endo Shaper, K3XF, and ProTaper Gold Nickel-titanium Instruments

Keskin, Cangül; İnan, Uğur; Güler, Duygu; Kalyoncuoğlu, Elif

doi:10.1016/j.joen.2018.04.005

Cited by 26 publications

(19 citation statements)

References 27 publications

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“…Previous studies showed that XPS has excellent resistance to cyclic fatigue compared to WOG [19][20][21][22]. However, the torque at failure was found to be very low (0.84 ± 0.11 N·cm) [21] which is due to the file design.…”

Section: Discussionmentioning

confidence: 91%

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Shaping Ability of XP Endo Shaper File in Curved Root Canal Models

Alfadley

Alrajhi

Alissa

et al. 2020

International Journal of Dentistry

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e aim of this study was to assess the shaping ability of the XP Shaper (XPS) file in severely curved canal models under simulated body temperature and compare it with that of the WaveOne Gold (WOG) file. Ninety-six simulated root canals were equally distributed into XPS and WOG systems to be shaped by eight files each. Files were assessed under a stereomicroscope prior to canal shaping to detect deformation if any. e canals were shaped at 35 ± 1°C using the X-Smart Plus motor. Images of the canals were obtained before and after instrumentation using a stereomicroscope to measure the amount of removed resin from both the inner and outer curvature sides at apex (0 mm) and 3 mm and 6 mm from the apex. e shaping time was calculated. e data were statistically analyzed by the independent t-test at 5% significance level. e XPS and WOG systems shaped the canals in 37.0 ± 9.5 and 62.6 ± 11.3 seconds (P < 0.05), respectively. At the apex level, the amount of resin removal in both sides did not show a significant difference between the tested groups (P > 0.05). At 3 mm and 6 mm levels, the WOG removed more resin than XPS at both sides (P < 0.05). In XPS, deformation was observed in four files: one file after the first use, one file after the fourth use, and two files after the sixth use. In WOG, two files were deformed: one file after the fifth use and one file after the sixth use. One XPS file was fractured after the sixth use. In short, XPS and WOG files can be used in shaping severely curved canals as they showed the ability to maintain the original shape with minimal transportation. Both file systems showed signs of deformation after use with a lower number of deformed files observed in WOG throughout the experiment.

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Section: Discussionmentioning

confidence: 91%

“…XPS achieves a final apical preparation of at least 30/0.04 [17][18][19]. XPS was found to have superior cyclic fatigue performance compared to other file systems [19][20][21][22]. WaveOne Gold (WOG; Dentsply Sirona, York, PA) system is an updated version of the WaveOne (WO; Dentsply Sirona) single-file system.…”

Section: Introductionmentioning

confidence: 99%

Shaping Ability of XP Endo Shaper File in Curved Root Canal Models

Alfadley

Alrajhi

Alissa

et al. 2020

International Journal of Dentistry

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“…According to the results of the present study, the XP Endo-Finisher file exhibited a higher resistance to cyclic fatigue than the ProTaper Gold and 2Shape TS2 files at body temperature. No previous study has compared the cyclic fatigue among these files, though Keskin et al (29) have studied the XP-endo Shaper made from MaxWire alloy (cf. XP-endo Finisher) to exhibit a higher cyclic fatigue resistance than the ProTaper Gold and K3XF nickel-titanium rotary instruments at intracanal temperatures.…”

Section: Discussionmentioning

confidence: 99%

Cyclic Fatigue Resistance of Various Nickel-titanium Rotary Endodontic Instruments at Body Temperature: An in Vitro Study

Saeed

Rafea

2020

juod

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Introduction: The purpose of this study was to compare the cyclic fatigue of different types of nickeltitanium rotary files at body temperature. Methods: Four types of rotary instruments with tip size 0.25 were used: HyFlex EDM (OneFile, variable taper, Colten/Whaledent), ProTaper Gold (F2, 0.08 taper, Dentsply), XP-endo Finisher (zero tapers, FKG Dentaire) and 2Shape (TS2, 0.06 taper, Micro-Mega). Ten files for each instrument were tested for cyclic fatigue at body temperature and rotated until fracture occurred in a simulated canal with an angle curvature of 60°, a radius curvature of 5 mm, and a canal width of 1.5 mm. Four groups were formed for all instruments (total number = 40). The number of cycles to fracture and the length of fractured fragment were recorded, and statistical analysis was completed using analysis of variance with significance at a (p-value < 0.05). Results: The cyclic fatigue resistance of the HyFlex EDM OneFile was significantly greater than the other instruments, while that of the 2Shape TS2 was significantly lower (p < 0.05). Conclusion: Within the limitations of this study, the HyFlex EDM OneFile was more resistant to cyclic fatigue than the XP-endo Finisher, ProTaper Gold F2 and 2Shape TS2 files.

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“…The time to fracture was recorded using digital chronometer. Using the time data, the numbers of cycles to failure (NCFs) were calculated according to the following formula: NCFs = revolutions per minute x time to fracture (seconds)/60 (15,16,17) . Numerical data were explored for normality by checking the data distribution and using Kolmogorov-Smirnov and Shapiro-Wilk tests.…”

Section: Testing Proceduresmentioning

confidence: 99%

Comparative Study of Cyclic Fatigue Resistance of Protaper Gold, OneShape, and TF Files

Hussein

Bayoumi

2019

Egyptian Dental Journal

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Aim:The purpose of this study was to compare the resistance to cyclic fatigue of three nickeltitanium (NiTi) endodontic instruments from Protaper Gold (PTG), OneShape (OS), and Twisted files (TF).Methodology: A total of 45 nickel-titanium instruments were tested and divided into 3 experimental groups (n = 15): group 1, Protaper Gold (F2 25/.08); group 2, OneShape (25/.06) file; and group 3, Twisted file (25/.06). The testing device was specially designed for this experiment. The time and cycles to failure were calculated. The data were compared for differences by using 2-way analysis of variance (p < 0.05).Results: Statistical analysis revealed that PTG showed the statistically significantly highest mean cyclic fatigue value, while TF showed statistically significantly lower mean cyclic fatigue value. OS system showed the statistically significantly lowest mean cyclic fatigue value.Conclusions: ProTaper Gold files demonstrated significantly higher cyclic fatigue resistance than OneShape and Twisted files, while OneShape files revealed the lowest cyclic fatigue resistance. The enhanced alloy properties of ProTaper Gold may be the main reason for this difference.

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Cyclic Fatigue Resistance of XP-Endo Shaper, K3XF, and ProTaper Gold Nickel-titanium Instruments

Cited by 26 publications

References 27 publications

Shaping Ability of XP Endo Shaper File in Curved Root Canal Models

Shaping Ability of XP Endo Shaper File in Curved Root Canal Models

Cyclic Fatigue Resistance of Various Nickel-titanium Rotary Endodontic Instruments at Body Temperature: An in Vitro Study

Comparative Study of Cyclic Fatigue Resistance of Protaper Gold, OneShape, and TF Files

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