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A 1.2 mm initial drill is used to start osteotomy for 10 mm, followed by an incision over the ridge mesiodistally for ~ 8 mm. After tapping the #15 C blade, the 1st Bone Expander 1.0/1.6 mm) is inserted for ~ 11 mm (Fig.2, 20 Ncm).
Xin Wei, DDS, PhD, MS 1st edition 06/26/2017, last revision 05/13/2019