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Dentomaxillofacial Radiology (2005) 34, 164-167
© 2005 British Institute of Radiology
doi: 10.1259/dmfr/64778606

RESEARCH

Spiral computed tomographic demonstration of C-shaped canals in mandibular second molars

H Cimilli1, T Cimilli2, G Mumcu*,3, N Kartal1 and P Wesselink4

1 Department of Endodontics Faculty of Dentistry, Marmara University, Istanbul, Turkey; 2 Radiology Department, Bakirkoy Dr. Sadi Konuk Teaching and Research Hospital, Istanbul, Turkey; 3 Department of Basic Health Sciences, Faculty of Health Education, Marmara University, Istanbul, Turkey; 4 Department of Cariology Endodontology Pedodontology, Academic Centre for Dentistry, Amsterdam, The Netherlands

*Correspondence to: Assist. Prof. Gonca Mumcu, Tepecik Yolu Sok, Evim Sitesi B Blok Daire 9, 34337, Etiler, Istanbul, Turkey; Email: goncamumcu{at}marmara.edu.tr

Received 16 November 2004; revised 28 January 2005; accepted 19 February 2005

Objectives: The aim of this study was to evaluate the prevalence of C-shaped canals in single rooted mandibular second molars with spiral computed tomographic imaging in detail.

Methods: One hundred and twelve single-rooted mandibular second molar samples were selected from 491 extracted mandibular second molars. The teeth were scanned by spiral computed tomographic technique to examine canal configurations.

Results: The evaluation criteria of the shape of roots was based on Manning's category as round, oval and C-shaped. The prevalence of C-shaped canals was found to be 8.1% in mandibular second molars. The evaluation of the root canal configurations of C-shaped mandibular second molars with single roots (40 teeth) was based on Vertucci's classification. Vertucci type I canals were most frequently seen in C-shaped mandibular second molars (40%). Additionally, we disclosed three additional canal types.

Conclusion: Results of this study demonstrated that high resolution visualization of the root canal shape can be achieved by spiral computed tomographic imaging.

Keywords: spiral computed tomography; C-shaped canals; mandibular second molars






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