Other Types
Quad Helix
A spring appliance that is glued to the upper teeth. It is used to push upper back teeth sideways (expansion).
RME
An appliance with a screw that is glued to the upper teeth. The screw is activated twice-daily and it pushes the back teeth sideways.
Thumb-crib
An appliance that is used to break a habit of sucking on a thumb or any other finger. It is glued to the upper back teeth.
TPA
A soldered appliance that is glued to the upper back teeth.
Lingual arch
A soldered appliance that is glued to the lower back teeth
Headgear
A removable flexible strap is attached from the head or neck to pull on upper teeth.
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Emergencies > Other Types
Quad Helix (Left) ; RME (Right)
Thumb Crib (Left) ; TPA (Right)
Lingual arch (Left) ; Headgear (Right)