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      The Number of Roots and Canals in the Maxillary Second Premolars in a Group of Jordanian Population

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          Abstract

          Objectives. The aim of this study was to investigate the number of roots and root canals in the maxillary second premolar in a group of Jordanian population. Materials and Methods. A total of 217 patients, 100 female (46%) and 117 male (54%), received root canal treatment of maxillary second premolar from January 2012 to January 2014. The mean age of the patients was 32.7, ranging from 18 to 60 years. The teeth included in the study were examined clinically and radiographically for the number of roots and root canals using magnifying loupes. Results. Out of the total of 217 maxillary second premolars, 120 teeth had one root (55.3%), 96 teeth had two roots (44.2%), and one tooth had three roots (0.46%). Regarding root canal configuration, 30 teeth (13.8%) had one canal, 54 teeth (24.9%) had two canals shared in one apical foramen, 132 teeth (60.8%) had two canals with two separate apical foramina, and one tooth (0.46%) had three canals with separate apical foramina. Conclusion. The incidence of two canals (either with shared or separate apical foramina) is very high in the maxillary second premolars in Jordanian population; therefore inspection should be done for the presence of second canal whenever endodontic treatment is planned for this tooth.

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          Most cited references19

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          Root canal morphology and its relationship to endodontic procedures

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            Effect of magnification on locating the MB2 canal in maxillary molars.

            The purpose of this study was to determine if the surgical operating microscope and/or dental loupes could enhance the practitioner's ability to locate the second mesiobuccal canal (MB2) canal of maxillary molars in an in vivo, clinical setting. The participating endodontists documented 312 cases of root canal therapy on maxillary first and second molars. Participants that used the microscope or dental loupes located the MB2 canal with a frequency of 57.4% and 55.3%, respectively. Those using no magnification located the MB2 canal with a frequency of 18.2%. When no magnification was used, significantly fewer MB2 canals were located based by Chi-square analysis at p < 0.01. There was no significant difference between the use of the microscope and dental loupes in the frequency of locating the MB2 canal. When the maxillary first molars were considered separately, the frequency of MB2 canal detection for the microscope, dental loupes, and no magnification groups was 71.1%, 62.5%, and 17.2%, respectively. The results of this study show that the use of magnification in combined groups leads to a MB2 detection rate approximately three times that of the nonmagnification group and that the use of no magnification results in the location of significantly fewer MB2 canals. Based on these results, more emphasis should be placed on the importance of using magnification for locating the MB2 canal.
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              Root canal anatomy. Road map to successful endodontics.

              R Slowey (1979)
              Every tooth in the distal arch presents occasional aberrations from normal canal anatomy. The alert practitioner, aware of these anomalies, will avoid a frequent source of endodontic failure.
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                Author and article information

                Journal
                Int J Dent
                Int J Dent
                IJD
                International Journal of Dentistry
                Hindawi Publishing Corporation
                1687-8728
                1687-8736
                2014
                3 November 2014
                : 2014
                : 797692
                Affiliations
                1Conservative Dentistry Department, Royal Medical Services Hospitals, P.O. Box 536, Amman 11953, Jordan
                2Endodontics Department, Royal Medical Services Hospitals, P.O. Box 536, Amman 11953, Jordan
                Author notes
                *Muna M. F. Al-Ghananeem: munafahhad@ 123456hotmail.com

                Academic Editor: Kee-Yeon Kum

                Article
                10.1155/2014/797692
                4235517
                25530761
                2af20aeb-0f32-406c-ac7d-45827c4cea5e
                Copyright © 2014 Muna M. F. Al-Ghananeem et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 1 August 2014
                : 11 October 2014
                Categories
                Clinical Study

                Dentistry
                Dentistry

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