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A 68-year-old lady (WQ) had CT taken 3 years ago (Fig.2 (sagittal), 3 (coronal section)), which show 3 roots (M: mesial; DB: distobuccal; DL: distolingual) of the lower right 1st molar and large caries (C). N: the Inferior Alveolar Nerve.
Xin Wei, DDS, PhD, MS 1st edition 08/16/2015, last revision 03/23/2018