Shaping Ability of HyFlex EDM and ProTaper Next Rotary Instruments in Curved Root Canals: A Micro-CT Study

Turkistani, Ahmed K; Gomaa, Madiha; Shafei, Lubna A; Alsofi, Loai; Majeed, Abdul; AlShwaimi, Emad

doi:10.5005/jp-journals-10024-2579

Cited by 4 publications

(1 citation statement)

References 36 publications

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“…Standard access cavity preparation was performed using a diamond-coated bur [ 15 ]. Working length was determined using a size 15 K-file with the aid of periapical radiographs [ 16 ]. In group A, ten first mandibular molars were prepared using the TF Adaptive rotary system (Kerr, Brea, CA, USA) according to the manufacturer’s instructions after establishing the glide path to full working length using a size 15 K-file.…”

Section: Methodsmentioning

confidence: 99%

Analysis of the Morpho-Geometrical Changes of the Root Canal System Produced by TF Adaptive vs. BioRace: A Micro-Computed Tomography Study

et al. 2021

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We aimed to analyze the morpho-geometric changes of the root canal system created by two rotary systems (TF Adaptive and BioRace) using micro-CT technology. Two concepts of rotary file system kinematics, continuous rotation and adaptive kinematics, were used in root canal preparation. Twenty mandibular molars (n = 20) were selected with the following criteria: the teeth have mesial roots with a single and continuous isthmus connecting the mesiobuccal and mesiolingual canals (Vertucci’s Type I configuration) and distal roots with independent canals. Teeth were scanned at a resolution of 14 μm. Canals were divided equally into two groups and then enlarged sequentially using the BioRace system and TF Adaptive system according to manufacturer protocol. Co-registered images, before and after preparation, were evaluated for morphometric measurements of canal surface area, volume, structure model index, thickness, straightening, and un-instrumented surface area. Before and after preparation, data were statistically analyzed using a paired sample t-test. After preparation, data were analyzed using an unpaired sample test. The preparation by both systems significantly changed canal surface area, volume, structure model index, and thickness in both systems. There were no significant differences between instrument types with respect to these parameters (p > 0.05). TF Adaptive was associated with less straightening (8% compared with 17% for BioRace in the mesial canal, p > 0.05). Both instrumentation systems produced canal preparations with adequate geometrical changes. BioRace straightened the mesial canals more than TF Adaptive.

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Section: Methodsmentioning

confidence: 99%

Analysis of the Morpho-Geometrical Changes of the Root Canal System Produced by TF Adaptive vs. BioRace: A Micro-Computed Tomography Study

et al. 2021

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Screw-in force, torque generation, and performance of glide-path files with three rotation kinetics

Woo,

Jang,

Chang

et al. 2023

Odontology

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Micro-Computed Tomographic Evaluation of the Shaping Ability of Vortex Blue and TruNatomyTM Ni-Ti Rotary Systems

Alghamdi,

Al-Habib,

Bahanan

et al. 2023

Preprint

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Aim: To assess and evaluate the canal shaping ability of two different Ni-Ti rotary systems ex-vivo: Vortex Blue (VB) and TruNatomy (TN), using micro-computed tomography (micro-CT) in extracted premolar human teeth. Materials and Methods: A total of 20 extracted bifurcated maxillary first premolars with two separate buccal and palatal canals wererandomly divided into two groups and prepared with either Vortex Blue or TruNatomy files. All teeth were scanned by micro-CT before and after root canal preparations. The micro-CT scans were analyzed to measure the following parameters: percentage of untouched canal surface area, changes in canal surface area, changes in canal volume, structural model index (SMI), changes in canal angulation and changes in dentin thickness. Statistical analysis was conducted to compare the means and standard deviations of the parameters between the two systems, with statistical significance level set at P-value < 0.05. Results: Both VB and TN files exhibited a significant increase in the basic canal geometry parameters including canal surface area and canal volume after canal instrumentation with no statistical significant differences between both files and with no considerable shaping mishaps or errors. Both file systems showed no significant changes in the SMI and dentin thickness after canal instrumentation. TN files demonstrated less straightening of the canal curvature compared to VB files with no statistically significant difference. Furthermore, TN files showed less cervical dentin removal when compared to VB files with no significant difference. A significant difference was found in TN group regarding dentin removal between coronal and apical thirds. Conclusion: Vortex Blue and TruNatomy files produced comparable root canal preparation with no considerable shaping mishaps or errors. Both files induced minimal canal straightening after preparation. TN files resulted in less removal of cervical dentin compared to apical dentin.

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Shaping Ability of HyFlex EDM and ProTaper Next Rotary Instruments in Curved Root Canals: A Micro-CT Study

Cited by 4 publications

References 36 publications

Analysis of the Morpho-Geometrical Changes of the Root Canal System Produced by TF Adaptive vs. BioRace: A Micro-Computed Tomography Study

Analysis of the Morpho-Geometrical Changes of the Root Canal System Produced by TF Adaptive vs. BioRace: A Micro-Computed Tomography Study

Screw-in force, torque generation, and performance of glide-path files with three rotation kinetics

Micro-Computed Tomographic Evaluation of the Shaping Ability of Vortex Blue and TruNatomyTM Ni-Ti Rotary Systems

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