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©The Author(s) 2025. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. May 6, 2025; 13(13): 100822
Published online May 6, 2025. doi: 10.12998/wjcc.v13.i13.100822
Published online May 6, 2025. doi: 10.12998/wjcc.v13.i13.100822
Mandibular left first premolar with three roots and three canals: A case report
Cheng-Yi Lin, Yue-Yuan Yu, School of Stomatology, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
Yue-Yuan Yu, Stomatology Hospital Affiliated with Zhejiang Chinese Medicine University, Hangzhou 310053, Zhejiang Province, China
Author contributions: Lin CY analyzed all clinical data and was a major contributor to the writing of the manuscript; Yu YY provided clinical data and made revisions to the manuscript; all of the authors read and approved the final version of the manuscript to be published.
Informed consent statement: The legal guardian of the patient in this case provided written informed consent prior to treatment.
Conflict-of-interest statement: The authors declare that they have no competing interests.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Yue-Yuan Yu, MD, School of Stomatology, Zhejiang Chinese Medical University, No. 548 Binwen Road, Binjiang District, Hangzhou 310053, Zhejiang Province, China. 275577782@qq.com
Received: August 27, 2024
Revised: November 29, 2024
Accepted: December 20, 2024
Published online: May 6, 2025
Processing time: 136 Days and 20.9 Hours
Revised: November 29, 2024
Accepted: December 20, 2024
Published online: May 6, 2025
Processing time: 136 Days and 20.9 Hours
Core Tip
Core Tip: This article highlights a rare case of the orthodontic extraction of a mandibular left first premolar with three roots and three canals. It offers practical clinical insights and summarizes recent global incidence rates for this unique anatomical variation.