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Zheng Q, Zhang L, Zhou X, Wang Q, Wang Y, Tang L, Song F, Huang D. C‐shaped root canal system in mandibular second molars in a Chinese population evaluated by cone‐beam computed tomography. International Endodontic Journal, 44, 857–862, 2011.

Aim  To evaluate the anatomical features of C‐shaped canal systems in Chinese mandibular second molars by cone‐beam computed tomography (CBCT).

Methodology  A total of 608 patients of Chinese descent with healthy, well‐developed mandibular second molars were enrolled. These patients were referred to the West China Hospital of Stomatology and required radiographic examination by CBCT as part of their routine dental treatment. Of the 608 examined CBCT images, 528 showed unilateral intact molars and 80 showed bilateral intact molars. Bilateral molar data were only used to analyse the distribution of unilateral and bilateral …