Effect of heat treatment on the centering ability and dentin removal of a nickel–titanium single file rotary system

Ghoneim, Walaa M

doi:10.4103/tdj.tdj_47_18

Cited by 5 publications

(6 citation statements)

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“…The reason could be due to its variable cross-section. As Ghoneim[ 25 ] observed, these endodontic files, with different cross sections, resulted in more removal of dentin, which can be due to more stress concentration. Kim et al .…”

Section: Discussionmentioning

confidence: 99%

Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis

Singh,

Dubey,

Singh

et al. 2024

Journal of Conservative Dentistry and Endodontics

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Background: Recent innovations in the physical and mechanical features of endodontic file systems have diminished the prospect of stress generation and fracture risk in novel endodontic files. Aim: The purpose of this research was to comparatively evaluate the stress distribution of recently introduced endodontic rotary files with distinct features and metallurgy at three different levels of the root canal wall by finite element analysis. Materials and Methods: Forty endodontic files were used in this experiment after being inspected through a scanning electron microscope for any surface deformities. Based on their metallurgy and design, the scanned files were divided into four groups, each with 10 samples: Group A-2Shape files, Group B-F360, Group C-One Curve, and Group D-TruNatomy. To assess the mechanical behavior of these files, the stress produced by computer-aided models of these instruments on the dentinal wall of a simulated root canal was numerically analyzed using ANSYS® 15 Workbench finite element software. Results: A one-way ANOVA was used to assess all the raw data with post hoc Tukey analysis, the Shapiro–Wilk test, and Levene’s test. F360 files exerted the maximum stress on the dentinal wall, while TruNatomy files exerted the least stress at all the distinct levels of dentinal walls. Conclusions: There was no statistically significant variation in the stress generated between the four groups. Therefore, it can be concluded that improvements in rotary file design and metallurgy have the potential to reduce the stress during canal shaping and the risk of instrument breakage during clinical use.

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Section: Discussionmentioning

confidence: 99%

Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis

Singh,

Dubey,

Singh

et al. 2024

Journal of Conservative Dentistry and Endodontics

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“…This can be related to the instrument manufacturing, all three systems are heat-treated file systems, making it more flexible and less straightening within the canals during instrumentation. A study by Ghoneim in 2019[ 16 ] stated that the OC file system had a higher mean centering ratio and more dentin removal. A study by Arslan et al ., 2017, stated that there was no significant difference among PTG, ProTaper Universal, and Reciproc file systems when tested for centering ratio at 3 mm, 5 mm, and 7 mm from the apical terminus of the root.…”

Section: Discussionmentioning

confidence: 99%

“…[ 26 ] Ghoneim stated in his study comparing OneShape and OC that there was no statistical difference among the two file systems but more amount of dentin removal was recorded in OC. [ 16 ] According to Singh et al ., in the in vitro study, PTG was reported to remove an excessive volume of dentin due to its aggressive cutting compared to two shape and wave one gold system. [ 27 ] The current study was done mainly to evaluate heat-treated rotary file systems, namely, PTG, PS3, and OC.…”

Section: Discussionmentioning

confidence: 99%

“…It can render cross-sectional (cut plane) and provide for three-dimensional reproduction of the tooth allowing for better pre- and postoperative evaluation of the root canal morphologies. [ 15 16 ] CBCT image technology used in this study to evaluate the canal transportation, canal centering ability, and to measure dentin removal. It provides a reproducible and precise assessment of the root canals.…”

Section: Introductionmentioning

confidence: 99%

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Comparative evaluation of canal transportation, centering ability, and dentin removal between ProTaper Gold, One Curve, and Profit S3: An in vitro study

et al. 2020

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Aim: The aim of the study was to compare the canal transportation, centering ability, and dentin removal of Profit S3 (PS3), One Curve (OC), and ProTaper Gold (PTG) systems using cone-beam computed tomography (CBCT). Materials and Methods: Thirty extracted human single-rooted premolars were used in the present study. Preinstrumentation scanning of all the teeth in arch form was taken using CBCT. To increase standardization, crowns were removed and only teeth measuring 16 mm were included in the study. The samples were randomly divided into three groups, with ten samples in each group; Group I was instrumented with PS3, Group II was instrumented with OC, and Group III – PTG. Postinstrumentation scans were performed, and the two scans were compared to determine canal transportation, centering ability, and dentin removal at 3, 6, and 9 mm, from the apex. Statistical Analysis: One-way-ANOVA and the independent t -test were done for the pairwise comparison. The significance level was set at P = 0.05; statistical analysis was performed with SPSS statistics version 20.0 (SPSS Inc., Chicago, IL, USA). Results: The mean canal centering ratio and canal apical transportation for PS3, OC and PTG show no statistical difference ( P > 0.05). The mean value of dentin removal showed a statistically significant difference between the three groups ( P < 0.05). PS3 and OC rotary file showed less removal of dentin compared to PTG ( P < 0.00). Conclusion: It was evident that PS3, OC, and PTG had no statistically significant difference when analyzed based on canal transportation and canal centering ratio. However, there was a significant difference among the three groups comparing the removal of dentin. PS3 and OC rotary file showed less removal of dentin compared to PTG.

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“…Perfect taper and diameter for a final shaping that meets standards of an optimized cleaning and shaping preserves the original anatomy of the root canal. 9,10,11…”

Section: One Curve Filesmentioning

confidence: 99%

Analysis of apical extrusion of debris using one curve, Confi Taper, Trushape® 3D conforming and reciproc blue files

Galande

Mattigatti

Wahane

et al. 2022

ijhs

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Aim: To evaluate and compare apical extrusion of debris using One Curve, Confi Taper, TRUShape®3D Conforming and Reciproc Blue file systems. Methods: 60 extracted single rooted mandibular premolar human teeth were randomly divided into 4 groups (n=15). Premolars were instrumented using one of the following instruments ONE CURVE, CONFI TAPER, TRUShape® 3D CONFORMING AND RECIPROC BLUE FILES. Pre-weighted Eppendorf tubes were used to collect the apically extruded debris during instrumentation. Then the amount of debris collected was calculated by subtracting the weight of the Eppendorf tube before and after preparation. Then the data was analysed using Kruskal wallis test. At 0.5 significant level. Results: Some amount of debris extrusion was found with all the instruments from the apex. Highest amount of apical extrusion of debris was found in Reciproc Blue followed by Trueshape 3D Conforming, Confi Taper and least apical extrusion seen in One Curve. Conclusions: Under the limitations of this in-vitro study, the amount of apically extruded debris measured for the used instruments was REC Blue> Trueshape® 3D Conforming>ConfiTaper> One Curve.

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Effect of heat treatment on the centering ability and dentin removal of a nickel–titanium single file rotary system

Cited by 5 publications

References 0 publications

Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis

Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis

Comparative evaluation of canal transportation, centering ability, and dentin removal between ProTaper Gold, One Curve, and Profit S3: An in vitro study

Analysis of apical extrusion of debris using one curve, Confi Taper, Trushape® 3D conforming and reciproc blue files

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