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ORIGINAL ARTICLE
Year : 2021  |  Volume : 9  |  Issue : 4  |  Page : 107-110

The accuracy and efficiency of a dynamic 3D navigation system for negotiating calcified canals


1 Department of Conservative Dentistry and Endodontics, Hazaribag College of Dental Sciences and Hospital, Jharkhand, India
2 Department of Conservative Dentistry and Endodontics, Jaipur Dental College, Jaipur, Rajasthan, India
3 Department of Orthodontics and Dento Facial Orthopedics, New Horizon Dental College, Chhattisgarh, India
4 Department of Oral Medicine and Radiology, Hazaribag College of Dental Sciences and Hospital, Jharkhand, India

Correspondence Address:
Dr. Deepyanti Dubey
Department of Conservative Dentistry and Endodontics, Hazaribag College of Dental Sciences and Hospital, Jharkhand.
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/INJO.INJO_32_21

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Background: Calcified canals present a challenge during endodontic treatments. The purpose of this study was to compare the accuracy and efficiency of a dynamic navigation system (DNS) to the freehand (FH) method for locating calcified canals in human teeth. Materials and Methods: Sixty human single-rooted teeth with canal obliteration were selected and mounted on dry cadaver jaws. Based on cone-beam computed tomographic scans of the jaws, the drilling path and depth were virtually planned to use X-Guide software. The time for locating the canal, the number of mishaps, and the unsuccessful attempts were determined and analyzed. Results: The mean linear and angular deviations, reduced dentin thickness (at both levels), the time for access cavity preparation, and the number of mishaps in the DNS group were significantly less than those in the FH group (P ≤ 0.05). The time for access preparation was significantly shorter for the board-certified endodontist in the FH group (P ≤ 0.05). Conclusion: The DNS was more accurate and more efficient than the FH technique in locating calcified canals in human teeth. This novel DNS can help clinicians avoid catastrophic mishaps during access preparation in calcified teeth.


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