A large immediate implant is planned to be placed in the basal bone (7x17 mm, green box) to increase primary stability and reduce the amount of the bone graft to be used (Fig.3 (CT sagittal section)).  If the immediate implant is placed first, there is a limited space (Fig.3 arrows) to place bone graft (red circles) in the hidden areas.  Pink curve: interdental papilla.

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Xin Wei, DDS, PhD, MS 1st edition 08/03/2013, last revision 01/19/2018