TPA and Nance appliance presentation

by DR ZEERUTBA TARIQ

Transpalatal arch

Nance arch fabrication

• Bands fitted on molars

• Mx impression in compound/alginate

• Working model

Nance arch fabrication

• Archwire will traverse the palatal vault

Nance arch fabrication

• Adapted archwire is soldered to bands

• Acrylic button is added to embed the wire

Nance arch fabrication

• Completed arch ready for try-in and cementation

• Ensure acrylic button in firm contact with palate

TPA Fabrication

• Done is similar fashion