When 4x10 mm drill is being applied, the patient feels pain.  The plan is to use 4x11.5 mm drill as a final one.  A 4x9 mm dummy implant is placed with 2.8 mm implant exposed (Fig.2 >), but it is subcrestal mesiodistally.

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Xin Wei, DDS, PhD, MS 1st edition 02/11/2020, last revision 02/11/2020