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Year : 2018  |  Volume : 30  |  Issue : 2  |  Page : 125-129

Incidence of C-shaped canal configuration in mandibular first premolars: A cone-beam computed tomography analysis

1 Department of Conservative Dentistry and Endodontics, Subharti Dental College, Meerut, Uttar Pradesh, India
2 Consultant Endodontist, New Delhi, India

Correspondence Address:
Dr. Sana Ali
Subharti Dental College, Swami Vivekanand Subharti University, Subhartipuram, NH-58, Delhi-Haridwar Bypass Road, Meerut - 250 002, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/endo.endo_113_17

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Aim: The endodontic literature reports considerable variations in the root canal morphology of mandibular first premolars, including variations in number of roots and root canals. Additionally C-shaped canal configuration has also been documented in some case reports. Thus, the aim of this study was to determine the incidence of C-shaped canal morphology in mandibular first premolars in an Indian population. Materials and Methodology: A total of 110 human mandibular left and right first premolars were collected. All teeth were subjected to CBCT exposures, made with the unit operating in continuous mode at 80 kV and 12 mA with an exposure time of 12s. CBCT images were analyzed using CS 3D Imaging Software 3.1 in the oblique cut. Result: Out of 110 teeth, five teeth (4.54%) presented with the C-shaped canal configuration. Conclusion: Limitations inherent in 2D imaging can be overcome by newer imaging techniques such as CBCT to better appreciate the variations in root canal anatomy.

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