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The buccal plate at #9 remains intact in spite of difficult extraction. Osteotomy is initiated in the palatal slope of the socket (Fig.1). The latter looks large when osteotomy is finished for a 3.8 mm implant. Without further osteotomy, a 4.5x14 mm SM implant is placed with primary stability (Fig.2). Without much attention, the coronal end of the implant is gradually deviated buccal, although the buccal gap is still 2 mm.
Xin Wei, DDS, PhD, MS 1st edition 03/12/2019, last revision 03/12/2019