Mrs. Zhao, in her late forties, is apprehensive of dentistry.  She has postponed implant placement for #4 for two months (Fig.2).  Immediate implant is planned.  Immediate provisional is provided if insertion torque is more than 45 Ncm.  It is possible because there is several mm of bone apical to the root of #4.  An unfavorable condition is large periapical radiolucency (<). 

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