By the same token, a 4.5x3 mm mill abutment is placed at #2. A 4x15 mm drill is at #3. Note the thick gingiva (>10 mm). The implant at #2 is placed supracrestal. because of the thick gingiva.
Xin Wei, DDS, PhD, MS 1st edition 08/11/2017, last revision 08/11/2017