There is no bone loss 3 years 9 months post cementation (Fig.9).  In fact the crown is lost at #31.  At repeated request from the patient, a prefabricated post and crown will be fabricated for short term purpose while an implant is going to be placed at #19.

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Xin Wei, DDS, PhD, MS 1st edition 07/09/2021, last revision 08/08/2021