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A 55-year-old man had 2nd caries with pulpitis at the tooth #4 a year ago, requiring RCT (Fig.2). The tooth fractured biting on a piece of nut shell inside a moon cake recently (Fig.3 *). Arrowheads: Sinus Septum.
Xin Wei, DDS, PhD, MS 1st edition 09/23/2016, last revision 03/20/2020