Mrs. Zhao, in her late forties, is apprehensive of dentistry.  She has postponed implant placement for #4 for two months (Fig.1).  Immediate implant is planned.  Immediate provisional is provided if insertion torque is more than 45 Ncm.  There are two conditions which are unfavorable to immediate provisional.  First, she is probably a bruxer, as indicated by torus palatinus (*).  Second, she bit off two crowns (joined) for #3 and 4 together.  Roots are long, as shown in preop PA.

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Xin Wei, DDS, PhD, MS 1st edition 12/12/2013, last revision 09/09/2014