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There is granulation tissue at the apical end of the crack (Fig.2 (mesial view of the extracted tooth) *). The buccal (B) plate appears to be lost coronal to the granulation tissue.
Osteotomy is initiated with a 1.6 mm drill in the palatal aspect of the socket (Fig.3) so that an implant will be placed palatal (Fig.8,11) and there is enough buccal gap for bone graft to repair the coronal portion of the apparently lost buccal plate (Fig.8 *).
Xin Wei, DDS, PhD, MS 1st edition 05/16/2017, last revision 02/18/2018