Immediate post implant removal at #29, osteotomy is initiated lingual (Fig.3 (intraop CT, coronal section after 2.5 mm drill for 14 mm) ).  A smaller and shorter implant (3x12 mm vs. 3.5x13 mm, previously) is placed away from the buccal plate (Fig.4 B).  The shorter implant reduces buccal thread exposure.

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Xin Wei, DDS, PhD, MS 1st edition 02/18/2020, last revision 02/23/2020