The Herbst appliance is utilized to reduce the horizontal distance from the upper to lower teeth. 

The Herbst will encourage the lower jaw to grow more than it normally would. The lower jaw is behind the upper jaw causing the lower teeth and chin to be retrusive and the upper teeth to look as if they come forward too far.

The Herbst will gain maximum change in minimum time, as well as, improve muscle balance and facial appearance. The appliance uses muscle function and occurring growth to gain positive changes in the mouth. In some cases the Herbst appliance can be fixed in place being attached to the respective teeth. Some patients will receive a removable appliance. To get the greatest benefit in the minimum time, the following steps must be followed: