The Klieger Kar's definitions

Herbst Appliance

A Ortandontal appliance, newer version of headgear. Contains 2 rods (bottom) that go into 2 sockets (top) that help grow the jaw out to prevent/reduce/exterminate overbite.

He needs a herbst appliance for his jaw to grow out

by The Klieger Kar July 7, 2011