Fig. 4From: Mandibular molar uprighting using orthodontic miniscrew implants: a systematic reviewPreprosthetic uprighting of #37 with a miniscrew implant and an uprighting spring. a Activation of the uprighting spring with a mesial eccentric V-bend. b, c A mini-implant with an incorporated bracket abutment placed in the alveolar ridge as an attachment of the uprighting spring. d, e After 5Â months of molar-uprighting treatment, no extrusion has taken place. (From Nienkemper et al. [26], with kind permission of Journal of Clinical Orthodontics)Back to article page