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Egyptian Dental Journal
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Volume Volume 68 (2022)
Issue Issue 3
July (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 3
Issue 3 - ِJuly (Oral Surgery)
Issue Issue 3
Issue 3 - July (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 3
July (Fixed Prosthodontics, Removable Prosthodontics and Dental Materials)
Issue Issue 3
July (Conservative Dentistry and Endodontics)
Issue Issue 2
April (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 2
Oral Surgery
Issue Issue 2
April (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 2
Fixed Prosthodontics, Removable Prosthodontics and Dental Materials
Issue Issue 2
Conservative Dentistry and Endodontics
Issue Issue 1
January (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 1
January (Oral Surgery)
Issue Issue 1
January (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 1
January (Fixed Prosthodontics, Removable Prosthodontics and Dental Materials)
Issue Issue 1
January (Conservative Dentistry and Endodontics)
Volume Volume 67 (2021)
Volume Volume 66 (2020)
Volume Volume 65 (2019)
Volume Volume 64 (2018)
Volume Volume 63 (2017)
Volume Volume 62 (2016)
Turky, M., Gamal, R. (2022). The impact of different root canal preparation sizes and tapers on fracture strength of roots. Egyptian Dental Journal, 68(3), 2805-2812. doi: 10.21608/edj.2022.127781.2026
Mohammed Turky; Reem Gamal. "The impact of different root canal preparation sizes and tapers on fracture strength of roots". Egyptian Dental Journal, 68, 3, 2022, 2805-2812. doi: 10.21608/edj.2022.127781.2026
Turky, M., Gamal, R. (2022). 'The impact of different root canal preparation sizes and tapers on fracture strength of roots', Egyptian Dental Journal, 68(3), pp. 2805-2812. doi: 10.21608/edj.2022.127781.2026
Turky, M., Gamal, R. The impact of different root canal preparation sizes and tapers on fracture strength of roots. Egyptian Dental Journal, 2022; 68(3): 2805-2812. doi: 10.21608/edj.2022.127781.2026

The impact of different root canal preparation sizes and tapers on fracture strength of roots

Article 6, Volume 68, Issue 3 - Serial Number 5, July 2022, Page 2805-2812  XML PDF (685.95 K)
Document Type: Original Article
DOI: 10.21608/edj.2022.127781.2026
Authors
Mohammed Turkyorcid 1; Reem Gamal email orcid 2
1Department of Endodontics, Faculty of Dentistry, Minia University, Egypt
2Department of Biomaterials, Faculty of Dentistry, Minia University, Egypt
Abstract
Abstract
Introduction: The purpose of the study was to investigate the impact of root canal preparation with different sizes and tapers on fracture strength of roots.
Methods: A total of 42 freshly extracted intact human permanent mandibular premolars. Teeth were randomly divided into 7 groups I-VII (n =6): un-instrumented root canals (control), 25/0.04, 25/0.06, 30/0.04, 30/0.06, 35/0.04and 35/0.06 respectively. K3XF rotary files (Kerr Endodontics, Orange, CA) were used for canal instrumentation with distilled water irrigation. Fracture strength was tested using a universal test machine.
Results: Group I (control) had the highest statistically significant mean compared with the experimental groups II-VII. The means and standard deviation for groups I-VII were 1022.08±87.61, 819.29±97.11, 691.63±82.39, 719.14±102.58, 668.60±185.20, 669.32±130.63 and 669.32±130.63, respectively.
Conclusion: Under the conditions of the present study, we can conclude that increasing preparation size and taper up to 35/0.06 did not affect the fracture strength of roots. Instrumentation of mandibular premolars up to 35/0.06 did not affect their fracture strength.
Keywords
Fracture strength; fracture resistance; apical preparation size; apical preparation diameter; taper
Main Subjects
Endodontics
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