Because of high density, a 4.5x13 mm drill has to be used prior to placement of the same sized immediate implant (Fig.4,5).  For most of immediate implants, osteotomy should be under prep. 

The apical space (Fig.5 between arrowheads) is finally closed by seating the implant lower (Fig.6). *: crest. 

Immediate Implant in Hard Bone Last Next

Xin Wei, DDS, PhD, MS 1st edition 09/03/2015, last revision 01/26/2019