Osteotomy starts in the palatal aspect of this shallow socket with 2 mm pilot drill (Fig.4).   New bone is gained 7.61 mm; another 3 mm is to be planned for primary stability.

Osteotomy is being enlarged with a 3 mm reamer (Fig.5).  Although there is bone height deficiency, the bone density is quite high.  Autogenous bone is being harvested while the reamers (2.5 and 3 mm) are being used.  Osteotomy depth is more (9.06 mm) than the pilot drill (7.61 mm in Fig.4).

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Xin Wei, DDS, PhD, MS 1st edition 02/12/2013, last revision 12/06/2020