When the patient returns 9 months later, there is severe buccal gingival recession and abscess at #19 (Fig.1 *).  Note a vertical crack line in the mesial root.  Gingival recession may be related to a previous exploratory procedure to confirm root fracture in her home country.

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Xin Wei, DDS, PhD, MS 1st edition 12/07/2017, last revision 08/25/2018