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When a 6x4(3) mm abutment is placed 8.5 months postop, it is distal (Fig.16). The mesiodistal width is 1-2 mm shorter than that at #3, which suggests the mesial shift of the tooth #15 during implant osteointegration when the provisional is not in place.
Xin Wei, DDS, PhD, MS 1st edition 06/07/2017, last revision 06/17/2018