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Review

Root Canal Morphology of the Permanent Mandibular Incisors by Cone Beam Computed Tomography: A Systematic Review

1
Department of Surgery, University of Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
2
Department of Preventive and Community Dentistry, Facultad de Odontología, Campus de Cartuja s/n, 18071 Granada, Spain
3
Department of Endodontics, Universidad Europea, 28670 Madrid, Spain
4
Department of Morphological Sciences, University of Cordoba, Avenida Menéndez Pidal s/n, 14071 Cordoba, Spain
5
Institute for Occlusion and Orofacial Pain Faculty of Medicine, University of Coimbra, Polo I-Edifício Central Rua Larga, 3004-504 Coimbra, Portugal
*
Author to whom correspondence should be addressed.
Received: 24 June 2020 / Revised: 6 July 2020 / Accepted: 13 July 2020 / Published: 17 July 2020
Knowledge of dental anatomy through the assessment of the anatomic variations of each tooth’s root canal system is essential to undertake endodontic therapy. The aim of this systematic review was to analyze the different studies on the internal morphology of permanent mandibular incisors where Cone-Beam Computed Tomography (CBCT) X-ray imaging is used. Pubmed, CENTRAL, Wiley Library and Web of Science electronic databases were searched for scientific studies included until March 2020. The terms used in the search were: “permanent mandibular incisors”, “root canal morphology” and “cone-beam computed tomography”. The search was limited to studies whose aim was the analysis of the morphology of the root canal system evaluating the parameters of methodology, population, sample, number and configuration. A total of 19 studies met the inclusion criteria. There was a noticeable lack of unanimity in the setting adjustments of each of the CBCT devices used. The presence of two root canals varied from 0.4% to 45%. The most frequent configurations were Vertucci’s Types I, III, II, V, IV, VII and VI. Type VIII configuration was non-existent. CBCT revealed the existence of anatomical symmetry patterns, and there was no unanimity of criteria regarding the presence of a second root canal. Results concerning the presence of a second root canal in the mandibular incisors differ widely, with a possible influence of the geographic area where the study was conducted. The prevalence of a second canal is higher in mandibular lateral incisors than in mandibular central incisors. There was no direct relationship between voxel size (0.125–0.3 mm) and increased prevalence of a second canal. View Full-Text
Keywords: permanent mandibular incisors; root canal morphology; cone-beam computed tomography (CBCT) permanent mandibular incisors; root canal morphology; cone-beam computed tomography (CBCT)
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MDPI and ACS Style

Herrero-Hernández, S.; López-Valverde, N.; Bravo, M.; Valencia de Pablo, Ó.; Peix-Sánchez, M.; Flores-Fraile, J.; Ramírez, J.M.; Macedo de Sousa, B.; López-Valverde, A. Root Canal Morphology of the Permanent Mandibular Incisors by Cone Beam Computed Tomography: A Systematic Review. Appl. Sci. 2020, 10, 4914. https://0-doi-org.brum.beds.ac.uk/10.3390/app10144914

AMA Style

Herrero-Hernández S, López-Valverde N, Bravo M, Valencia de Pablo Ó, Peix-Sánchez M, Flores-Fraile J, Ramírez JM, Macedo de Sousa B, López-Valverde A. Root Canal Morphology of the Permanent Mandibular Incisors by Cone Beam Computed Tomography: A Systematic Review. Applied Sciences. 2020; 10(14):4914. https://0-doi-org.brum.beds.ac.uk/10.3390/app10144914

Chicago/Turabian Style

Herrero-Hernández, Silvia, Nansi López-Valverde, Manuel Bravo, Óliver Valencia de Pablo, Manuel Peix-Sánchez, Javier Flores-Fraile, Juan M. Ramírez, Bruno Macedo de Sousa, and Antonio López-Valverde. 2020. "Root Canal Morphology of the Permanent Mandibular Incisors by Cone Beam Computed Tomography: A Systematic Review" Applied Sciences 10, no. 14: 4914. https://0-doi-org.brum.beds.ac.uk/10.3390/app10144914

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