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Computed tomography and volume rendering in endodontics: A case report of “Radix Entomolaris”


1 Department of Dental Research and Implantology, Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organization, New Delhi, India
2 Army Dental Centre (Research and Referral), New Delhi, India

Correspondence Address:
Brijesh Tiwari,
Department of Dental Research and Implantology, Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organization, Timarpur, New Delhi - 110 054
India
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Source of Support: None, Conflict of Interest: None

Success of root canal treatment is largely dependent on the information of tooth anatomy acquired from diagnostic preoperative radiographs. Radix entomolaris (RE), an additional distolingual root in the mandibular molars is a variant of the normal anatomy, which is often difficult to diagnose with conventional radiography, mostly due to superimposition. In contrast, computed tomography (CT) in combination with volume rendering technique (VRT) can generate three-dimensional images in different reference planes such as axial, panoramic, and oblique sagittal or cross-sectional, albeit at a high radiation exposure to the patient. Here, we report the application of CT and VRT at low radiation parameters to enhance the preoperative assessment of tooth anatomy for a correct diagnosis to increase the predictability and dependability in the endodontic treatment of unusual tooth morphologies such as RE.


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