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A Comparative Evaluation of Two Different Shaping Systems on the Preparation of Mesial Canals for Mandibular First Molars:(A Micro-Computed Tomography Study) | ||
| Tikrit Journal for Dental Sciences | ||
| Volume 13, Issue 2, December 2025, Pages 297-305 PDF (520.37 K) | ||
| DOI: 10.25130/tjds.13.2.1 | ||
| Authors | ||
| Ghufran Waheed AL-Muteery* 1; Ali Muayad AL-Nuaimi1; Abdul-Haq Abdul-Majeed Suliman2 | ||
| 1Dentistry College, Mosul University, Iraq. | ||
| 2Dentistry College, Ajman University, United Arab Emirates | ||
| Abstract | ||
| Background: The anatomical complexities and curvature in mesial canal represent the challenges in the shaping and cleaning during canal preparation Aim: The purpose of this in-Vitro study was to evaluate and compare between two different shaping system MicroMega (2S Shape) continuous motion system and Dentsply Wave-One Reciprocate (Dentsply, Sirona) reciprocation motion system during the preparation of mesial root canals for mandibular first molars, including changes of canal volume, canal area, occurred during the preparation using a µ-computed tomography scan (μ-CT). Materials and method the mesial canals of thirty extracted mandibular first molars with a root curvature of < 25 degrees according to Schneider’s method, were randomly divided into two groups (Group I:2S Shape; Group II: Wave-One Reciprocate), with a total sample size of n = 30. All coronal segments were respected at the cement-enamel junction (CEJ) and subsequently evaluated with μ-CT before and after preparation. Statistical analysis: Kolmogorov-Smirnova for normality, paired T test. Results: The results showed increasing in all the tested parameters, significant differences were observed between groups regarding changes in the canals volume and canal area (p<0.05). Conclusion: the application of two different shaping systems showed increasing in all canal diameters during the preparation, while WO. Reciprocate showed less canal change compared to continuous motion. | ||
| Keywords | ||
| Comparative; Evaluation; Micro CT; Mesial canals | ||
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