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A 51-year-old man is a probable bruxer (unilateral mastication, #18 missing) and has developed signs and symptoms consistent with root fracture at the lower right 2nd molar for 2 years (Fig.1). Note the large periradicular radiolucency.
Xin Wei, DDS, PhD, MS 1st edition 11/16/2014, last revision 12/22/2018