Lucy Lai-King Chung
Consultant Orthodontist, Glasgow Dental Hospital and School, 378 Sauchiehall Street, Glasgow, G2 3JZ
Transpalatal, nance and lingual arch appliances: clinical tips and applications
Lucy Lai-King ChungThe Nance appliance or Nance palatal arch (NPA) was one of the earliest modifications of the TPA, first described in 1947.5 The palatal wire is welded/soldered to the molar bands and is connected...