With no stop fixture mount for a 4.5x11.5 mm implant placed at #28, the osteotomy at #30 is much easier.  A 5x17 mm Tatum tapered tap is inserted with the guide and then without the guide.  Finally the 5x14 mm tissue level implant is placed free hand (Fig.4). 

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Xin Wei, DDS, PhD, MS 1st edition 04/30/2021, last revision 05/01/2021