Removable retainers and Headgear
by mheo soriano
Removable retainers
Removable retainers are worn on the roof of the mouth, these devices prevent teeth from shifting of the to their previous position. Removable retainers can also be adjusted and used to prevent thumb sucking.
Headgear
The headgear is an appliance wherein a strap is positioned around the back of the head and attached to a metal wire in front, or face bow. Headgear causes the growth of the upper jaw to slow down,it also holds the back teeth where they are while on the other hand, the front teeth are pulled back. This is usually used for serious cases of jaw dislocation.