Mini-implants are placed to intrude the tooth #15 (Fig.2 arrow), instead leading to distalization in 4 months (Fig.3 arrow).   Other complications associated with mini-implants include slip of power chain and gingival laceration.  Composite and tooth preparation (slot) are required to keep the power chain in place. Implant-Assisted Intrusion   Last  Next Xin Wei, DDS, PhD, MS 1st edition 02/19/2017, last revision 01/01/2021