Clinically it appears supracrestal lingually.  So the implant is placed deeper after deeper osteotomy, but a cemented abutment is incompletely seated (Fig.3 <).  When a longer abutment is used (easy holding), it is seated completely (Fig.4). 

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Xin Wei, DDS, PhD, MS 1st edition 07/14/2020, last revision 07/18/2020