Because of severe pain, block anesthesia is administered prior to extraction.  The mesial socket of the tooth #30 is deep with granulation tissue.  A 4.5x10 mm dummy implant is placed with < 40 Ncm following sequential osteotomy until 4x13 mm over the septum (Fig.1 (low density)).

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Xin Wei, DDS, PhD, MS 1st edition 12/27/2017, last revision 08/23/2018