Guided Endodontic Technique in Mandibular Incisors with Pulp Canal Obliteration: A Case Report

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Nabavi Saide; Latifian Erfan

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Journal Paper

Paper Information

Journal: IRANIAN ENDODONTIC JOURNAL Year:2025 | Volume:20 | Issue:1 Page(s): 1-6

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Information Journal Paper

Title

Guided Endodontic Technique in Mandibular Incisors with Pulp Canal Obliteration: A Case Report

Author(s)

Nabavi Saide | Latifian Erfan | Issue Writer Certificate

Keywords

Cone-beam Computed Tomography; Dental Pulp Calcification; Endodontics; Minimally Invasive Surgical Procedures; Three-dimensional Printing

Abstract

The American Association of Endodontics classifies the management of pulp canal obliteration (PCO) cases as a high-risk difficulty. This classification indicates an increased likelihood of procedural errors. However, advancements in dental technology have simplified the endodontic treatment of calcified teeth. Guided endodontics uses cone-beam computed tomography (CBCT) and a three-dimensional (3D) printer to create a patient-specific guide, enhancing accuracy and predictability in complex cases. A healthy 60-year-old male was referred by a prosthodontist for root canal treatment on teeth #23, #24, and #25. Periapical radiographic examination revealed partial PCO in all teeth. After choosing guided endodontics treatment, CBCT imaging and intraoral 3D scanning were utilized to design a patient-specific endodontic guide. After verifying the stability of the endo-guide, access cavities were prepared using a Munce Discovery bur. Following the negotiation of the canals, the working length was determined. Root canal treatment was performed using rotary files up to size 25/0.04% and sodium hypochlorite irrigation. The obturation was completed using the warm condensation technique. Although PCO was present, no complications occurred during treatment. The teeth remained completely asymptomatic and functional, demonstrating the success of the treatment. Guided endodontics can be a practical and predictable approach for managing PCO in mandibular incisors. This technique provides accurate canal location, reduces procedural errors, and preserves tooth structure. Despite concerns about cost, radiation exposure, and challenges with anatomical variations, it represents a promising advancement in endodontic treatment.

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