Fracture Resistance Of Endodontically Treated Mesial Roots Of Mandibular Molars With Different Obturation Techniques | ||||
| Egyptian Dental Journal | ||||
| Volume 71, Issue 2 - Serial Number 5, April 2025, Page 1826-1836 PDF (609.06 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/edj.2025.355519.3360 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Ebtesam Osama Abo El-Mal   1; Faten Mohamed Ahmed Ghonimy 2
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| 1Assistant Professor- Department of Restorative Dental Sciences- Endodontic Division- Faculty of Oral and Dental Medicine- Ahram Canadian University | ||||
| 2Assistant Professor, Faculty of oral and dental medicine, Ahram Canadian University | ||||
| Abstract | ||||
| The aim of the present study was to comparatively evaluate the fracture resistance of endodontically treated mesial root of mandibular molars obturated with three different obturating techniques. Methodology: Twenty-four mesial roots of mandibular molar teeth were selected and standardized at length 14±1 mm from the apex. Root canals were instrumented using ProTaper Next rotary system then divided into three groups (n=8) according to obturation technique used. Group L [control group]: Canals were obturated using cold lateral condensation technique and Well-Root ST bioceramic sealer. Group C: canals obturated using continuous wave compaction technique and Well-Root ST bioceramic sealer and finally Group V: canals obturated using Vibration thermos- hydrodynamic obturation technique with Well-Root ST bioceramic sealer. Mesial roots were embedded in cylindrical acrylic resin blocks then fracture resistance of samples were measured using universal testing machine. Results: Data collected were analyzed using One-Way ANOVA test followed by Tukey`s Post Hoc test for multiple comparisons. Group V showed the highest resistance to fracture followed by Group C and Group L had the least fracture resistance values (583.91 ± 138.46 N, 571.81 ± 161.63 and 482.2 ± 147.5N respectively). Conclusion: Obturation using single cone with ultrasonic activation of bioceramic sealer improves the fracture resistance of endodontically treated thin roots. | ||||
| Keywords | ||||
| Fracture resistance; Bioceramic sealer; Vibration Thermo-Hydrodynamic obturation; Continuous wave obturation; Cold lateral condensation obturation | ||||
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