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:: Volume 5, Issue 4 (Journal of Research in Dental & Maxillofacial Sciences Autumn 2020) ::
J Res Dentomaxillofac Sci 2020, 5(4): 31-36 Back to browse issues page
In-Vitro Comparison of the Effect of XP-Endo Shaper and One-Shape Rotary Files on the Incidence of Root Dentin Cracks
A Delvarani1, AA Moshary2, M Ghasemian Yadegari3, T Bitaraf * 4
1- Assistant Professor, Department of Endodontics, Member ship of Dental Material Research Center, Faculty of Dentistry, Tehran Medical Sciences,Islamic Azad University, Tehran, Iran
2- Assistant Professor, Department of Endodontics, Faculty of Dentistry, Tehran Medical Sciences,Islamic Azad University, Tehran, Iran
3- Dentist
4- Assistant professor, Dental Implant Research Center, Dental Faculty, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran , taherehbitaraf@yahoo.com
Abstract:   (273 Views)

Background and Aim: Root canal preparation with systems with the least chance of dentin cracking can increase the success of endodontic treatment. This study aimed to compare the One-Shape and XP-endo Shaper rotary files in the dentin crack incidence in the mesiobuccal canals of mandibular first molars.
Materials and Methods: In this experimental study, 60 eligible extracted mandibular first molars were randomly divided into three groups. The roots were prepared to #30 and 4% taper in the XP-endo Shaper group and #25 and 6% taper in the One-Shape group. The control samples were left intact. All groups were sectioned at 2, 4, and 6mm from the apex and examined under a stereomicroscope at 20× magnification. The incidence, location, and type of cracks were analyzed using chi-square test.
Results: There were no cracks in the controls. The crack percentage was 23.33% (n=14) and 11.66% (n=7) in the One-Shape and XP-endo Shaper groups, respectively, with a significant difference with crack-fee samples. There was no significant difference between One-Shape and XP-endo Shaper systems in the three sections (P>0.05). In the 2mm section, cracks were observed in six sections (10%) with One-Shape and four sections (20%) with XP-endo Shaper. In the 4mm section, cracks were observed in one section (5%) with One-Shape and five sections (25%) with XP-endo Shaper. In the 6mm section, cracks were observed in seven sections (35%) with One-Shape and one section (5%) with XP-endo Shaper.
Conclusion: The One-Shape and XP-endo Shaper systems were similar in crack incidence in the mesiobuccal canal of mandibular first molars.
 

Keywords: Tooth Fractures, Root Canal Preparation, Mandible, Molar
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Type of Study: Original article | Subject: Periodontology
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Delvarani A, Moshary A, Ghasemian Yadegari M, Bitaraf T. In-Vitro Comparison of the Effect of XP-Endo Shaper and One-Shape Rotary Files on the Incidence of Root Dentin Cracks. J Res Dentomaxillofac Sci. 2020; 5 (4) :31-36
URL: http://jrdms.dentaliau.ac.ir/article-1-292-en.html


Volume 5, Issue 4 (Journal of Research in Dental & Maxillofacial Sciences Autumn 2020) Back to browse issues page
Journal of Research in Dental and Maxillofacial Sciences
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