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A 64-year-old man has multiple restoration and loves to eat crab. The lower incisors have severe wear. The tooth #25 is discolored with pulpal exposure and periapical radiolucency (Fig.1, 2 *). 28' supernumerary tooth.
Xin Wei, DDS, PhD, MS 1st edition 10/12/2017, last revision 11/10/2019