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The ridge transverse bony cut will be made free hand in the middle (Fig.6,6'), followed by 2 vertical cuts and 1 apical transverse one in the 1st stage of procedure. In order to rotate the buccal block easier (Fig.6 pink curved arrow), the apical transverse cut will be wedge in shape (Fig.6 (red), 6' (double lines), 7 (black)).
Xin Wei, DDS, PhD, MS 1st edition 05/02/2020, last revision 05/02/2020