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The prevalence and asymmetry of C-shaped root canals in second mandibular molars in a European–Russian population: A Cone - Beam Computed Tomography study in vivo

D. Rogazkyn, Z. Metzger, M. Solomonov

International Journal of Endodontic Rehabilitation. 2016; 2(1):12-16.


OBJECTIVES: Familiarity with the shape of the root canal system is essential for the quality of endodontic treatment. C-shaped canals are anatomic variations most often encountered in mandibular second molars, and they pose an operational challenge to the clinician. The incidence of C-shaped canals varies widely in different populations. The aim of this study was to investigate for first time the incidence of C-shaped root canals in a European-Russian population using cone beam computed tomography (CBCT). The null hypothesis was that the incidence of C-shaped canals in western-Russian population will be similar to that of other Caucasian populations.

MATERIALS AND METHODS: A total of 300 CBCT scans of patients with two second mandibular molars were randomly chosen, screened and evaluated.

RESULTS: Forty-two patients (14%) had C-shaped canals. Of those patients, twenty-three (54.8%) had bilateral C-shaped canals, and 19 (45.2%) had unilateral C-shaped canals. 

CONCLUSION: The prevalence of C-shaped canals in this European–Russian population is higher than that reported in other Caucasian populations, and in such cases, asymmetry between right and left is often encountered.



The full text of the article: Researchgate

Rogazkyn 2016



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