Lingual and Palatal Arch
Lingual and Palatal arches are used as holding or retaing appliances. The arch is attached to bands on the permanent molar teeth and will prevent them moving around the arch during fixed appliannce therapy. The appliances can also be used to aid arch expansion or to control molar position. It is normal for the arches to remain in place throughout the fixed appliance treatment.
- Hold molars in position following extractions
- Control molar positions
- Expansion of arches
Construction requirements
- Upper and lower impression in alginate
- Supply molar bands of choice (bands can be supplied upon request)
Further Information
Lingual arch and palatal arch appliances have been used by orthodontists for many years and are integral to many treatment plans. The appliances are also known as; L.L.A, T.P.A., Nance Arch, P.A.Nance
