Evaluation of the Canal Transportation and Centering Ratio at Different Levels of Simulated Curved Canals Prepared by OneShape, Protaper Next, Protaper Gold and TwoShape Nickel Titanium Rotary Files

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dc.contributor.authorJasim, Ahmed A.en_US
dc.contributor.authorAl-Gharrawi, Hikmet A. Sh.en_US
dc.date.accessioned2020-09-24T07:52:50Z
dc.date.available2020-09-24T07:52:50Z
dc.date.issued2019-08
dc.description.abstractBackground: Preparing and maintaining the original shape in conjunction with its disinfection, exclusive of any procedural error is mandatory in endodontic treatment. Nickel-titanium instruments are much more flexible than conventional stainless steel files combined with superior cutting efficiency. The purposes of this study were to measure and compare the canal transportation, centering ratio at different levels of simulated curved canals of the endodontic training resin blocks, which were instrumented by using of 4 Niti rotary endodontic systems’ Protaper Next, OneShape, Protaper Gold, and TwoShape. Material and Methods: Total 60 resin blocks were randomly divided into 4 groups of 15 canals each; the 1st group was prepared with Protaper Next instruments, the 2nd was prepared with OneShape, the 3rd was prepared with Protaper Gold instruments, and the 4th was prepared with the TwoShape. All were prepared for the size of 25. Removal of material was measured at 5 different levels: at the canal orifice, halfway to the orifice in the straight sections; the beginning of the curve; the crest of the curve; the endpoint. Pre and post-operative photos of the simulated canals were taken in a standardized technique. An assessment of changes has been determined using Photoshop and Digimizer Software. The data were analyzed statistically using Shapiro-Wilk, ANOVA by SPSS software version 21. Results: Regarding the canal transportation, the direction of transportation of rotary NiTi instruments was usually towards the inner aspect at middle parts of the canal, towards the outer aspect of the curve at the apex of the curve and the end of preparation. Conclusion: The TwoShape produced the least amount of canal transportation and preserved the original curvature of the canal more than the other systems evaluated in this study.en_US
dc.identifier.affiliationsDepartment of Conservative Dentistry, College of Dentistry, Al-Mustansiriya University, Baghdad, Iraqen_US
dc.identifier.citationJasim Ahmed A., Al-Gharrawi Hikmet A. Sh.. Evaluation of the Canal Transportation and Centering Ratio at Different Levels of Simulated Curved Canals Prepared by OneShape, Protaper Next, Protaper Gold and TwoShape Nickel Titanium Rotary Files. International Journal of Medical Research & Health Sciences. 2019 Aug; 8(8): 91-97en_US
dc.identifier.issn2319-5886
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/205099
dc.languageenen_US
dc.publisherSumathi Publicationsen_US
dc.relation.issuenumber8en_US
dc.relation.volume8en_US
dc.source.urihttps://www.ijmrhs.com/abstract/evaluation-of-the-canal-transportation-and-centering-ratio-at-different-levels-of-simulated-curved-canals-prepared-by-on-18763.htmlen_US
dc.subjectTransportationen_US
dc.subjectCentering ratioen_US
dc.subjectNexten_US
dc.subjectOneShapeen_US
dc.subjectProtaper golden_US
dc.subjectTwoShapeen_US
dc.titleEvaluation of the Canal Transportation and Centering Ratio at Different Levels of Simulated Curved Canals Prepared by OneShape, Protaper Next, Protaper Gold and TwoShape Nickel Titanium Rotary Filesen_US
dc.typeJournal Articleen_US
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