If there is sign of anterior tooth protrusion after regainer activation, a mini implant (Tomas, Fig.10 red circle) should be placed in the anterior palate parasagitally and bonded to the cross palatal wire (^).

Space & Underdeveloped Tooth Buds

Xin Wei, DDS, PhD, MS 1st edition 11/03/2016, last revision 11/05/2016