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With power chain attached to the lingual mini-implant, the tooth #2 is lingualized in 2 months. The provisional and the 2 implants with power chains are reused for final intrusion (Fig.16). The total orthodontic and restorative intrusion takes nearly 11 months.
Xin Wei, DDS, PhD, MS 1st edition 03/01/2018, last revision 04/29/2018