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Endodontic treatment of a C-shaped mandibular second premolar with four root canals and three apical foramina: a case report
Thikamphaa Bertrand, Sahng Gyoon Kim
Restor Dent Endod 2016;41(1):68-73.   Published online January 19, 2016
DOI: https://doi.org/10.5395/rde.2016.41.1.68
AbstractAbstract PDFPubReaderePub

This case report describes a unique C-shaped mandibular second premolar with four canals and three apical foramina and its endodontic management with the aid of cone-beam computer tomography (CBCT). C-shaped root canal morphology with four canals was identified under a dental operating microscope. A CBCT scan was taken to evaluate the aberrant root canal anatomy and devise a better instrumentation strategy based on the anatomy. All canals were instrumented to have a 0.05 taper using 1.0 mm step-back filing with appropriate apical sizes determined from the CBCT scan images and filled using a warm vertical compaction technique. A C-shaped mandibular second premolar with multiple canals is an anatomically rare case for clinicians, yet its endodontic treatment may require a careful instrumentation strategy due to the difficulty in disinfecting the canals in the thin root area without compromising the root structure.

Citations

Citations to this article as recorded by  
  • Unique root anatomy of mandibular second premolars: clinical strategies for effective disinfection and preservation of dentine structure in root canal treatment—a case report
    Ji Wook Jeong, Erika Silguero Gonzalez, Scott R. Makins, Timothy Kirkpatrick
    Frontiers in Dental Medicine.2024;[Epub]     CrossRef
  • PRICE 2020 guidelines for reporting case reports in Endodontics: explanation and elaboration
    V. Nagendrababu, B. S. Chong, P. McCabe, P. K. Shah, E. Priya, J. Jayaraman, S. J. Pulikkotil, P. M. H. Dummer
    International Endodontic Journal.2020; 53(7): 922.     CrossRef
  • A cone-beam computed tomography study of C-shaped root canal systems in mandibular second premolars in a Taiwan Chinese subpopulation
    Yi-Chin Chen, Chia-Lun Tsai, Yi-Chen Chen, Gin Chen, Shue-Fen Yang
    Journal of the Formosan Medical Association.2018; 117(12): 1086.     CrossRef
  • Anatomic Comparison of Contralateral Premolars
    Gaute Floer Johnsen, Sazan Dara, Sameenah Asjad, Pia Titterud Sunde, Håvard Jostein Haugen
    Journal of Endodontics.2017; 43(6): 956.     CrossRef
  • Endodontic Management of Dilacerated Maxillary Central Incisor fused to a Supernumerary Tooth using Cone Beam Computed Tomography: An Unusual Clinical Presentation
    Thilla S Vinothkumar, Deivanayagam Kandaswamy, Ganesh Arathi, Sathishkumar Ramkumar, Gnanasekaran Felsypremila
    The Journal of Contemporary Dental Practice.2017; 18(6): 522.     CrossRef
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Use of cone-beam computed tomography and three-dimensional modeling for assessment of anomalous pulp canal configuration: a case report
Alper Sinanoglu, Dilek Helvacioglu-Yigit, Ibrahim Mutlu
Restor Dent Endod 2015;40(2):161-165.   Published online December 4, 2014
DOI: https://doi.org/10.5395/rde.2015.40.2.161
AbstractAbstract PDFPubReaderePub

Three-dimensional (3D) reconstruction of cone-beam computed tomography (CBCT) scans appears to be a valuable method for assessing pulp canal configuration. The aim of this report is to describe endodontic treatment of a mandibular second premolar with aberrant pulp canal morphology detected by CBCT and confirmed by 3D modeling. An accessory canal was suspected during endodontic treatment of the mandibular left second premolar in a 21 year old woman with a chief complaint of pulsating pain. Axial cross-sectional CBCT scans revealed that the pulp canal divided into mesiobuccal, lingual, and buccal canals in the middle third and ended as four separate foramina. 3D modeling confirmed the anomalous configuration of the fused root with a deep lingual groove. Endodontic treatment of the tooth was completed in two appointments. The root canals were obturated using lateral compaction of gutta-percha and root canal sealer. The tooth remained asymptomatic and did not develop periapical pathology until 12 months postoperatively. CBCT and 3D modeling enable preoperative evaluation of aberrant root canal systems and facilitate endodontic treatment.

Citations

Citations to this article as recorded by  
  • Exploring Technological Progress in Three-Dimensional Imaging for Root Canal Treatments: A Systematic Review
    Kanwalpreet Kaur, Ravinder S. Saini, Sunil Kumar Vaddamanu, Shashit Shetty Bavabeedu, Vishwanath Gurumurthy, Shan Sainudeen, Vinod Babu Mathew, Shafait Ullah Khateeb, Aida Mokhlesi, Seyed Ali Mosaddad, Artak Heboyan
    International Dental Journal.2025; 75(2): 1097.     CrossRef
  • Root Canal Treatment of Oehlers Type III Dens Invaginatus in Maxillary Lateral Incisor and Remote Sinus Tract Using Dental Surgical Microscope and Cone-Beam Computed Tomography
    Rie Fujii, Tomohiro Asai, Masashi Yamada, Ryo Sako, Yoshiki Tamiya, Masahiro Furusawa
    The Bulletin of Tokyo Dental College.2023; 64(2): 67.     CrossRef
  • CBCT and Micro-CT analysis of the mandibular first premolars with C-shaped canal system in a Chinese population author
    Yimeng Zhang, Xunben Weng, Yu Fu, Xuekai Qi, Yihuai Pan, Yu Zhao
    BMC Oral Health.2023;[Epub]     CrossRef
  • 229 View
  • 1 Download
  • 3 Crossref
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Root canal treatment of a mandibular second premolar with three separate root canals
Seok-Ryun Lee, Seol-Hee Shin, Sung-Ok Hong, Chang-Kyu Song, Hoon-Sang Chang, Kyung-San Min
J Korean Acad Conserv Dent 2010;35(4):302-305.   Published online July 31, 2010
DOI: https://doi.org/10.5395/JKACD.2010.35.4.302
AbstractAbstract PDFPubReaderePub

Mandibular premolars show a wide variety of root canal anatomy. Especially, the occurrence of three canals with three separate foramina in mandibular second premolars is very rare. This case report describes the root canal treatment of an unusual morphological configuration of the root canal system and supplements previous reports of the existence of such configuration in mandibular second premolar.

Citations

Citations to this article as recorded by  
  • Effective management of mandibular second premolar with root anomalies
    Ashwaq Faia Asiri
    Saudi Endodontic Journal.2023; 13(1): 28.     CrossRef
  • 209 View
  • 1 Download
  • 1 Crossref
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