The 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 anteriorly by an acrylic button positioned in the highest part of the palatal vault resting on non-compressible mucosa. The button is made of heat-cured, cold-cured or light-cured acrylic. Light-cured ...
Looking at a photo of the Nance arch will help patients to understand the construction and parts of the device. This appliance may also be called a Nance Holding Arch Space Maintainer, Nance Palatal Arch, or the Nance Lingual Arch. Purpose of the Nance Holding Arch Appliance The Nance Holding Arch serves one major purpose, which is listed below.
NANCE PALATAL ARCH Maxillary lingual arch that does not contact the anterior teeth but approximates the anterior palate.
Lower arch was otherwise noncarious. Single-tooth cross-bite in relation to upper right central incisor was noticed [Figure 1]. A Nance palatal arch (NPA) space maintainer was thus planned to maintain the space until the eruption of both the permanent canines. Figure 1: preoperative image
The Nance palatal arch1 is an appliance often used in orthodontic treatment to help maintain arch length and provide anchorage in the anterior-posterior and vertical planes.2–6 The appliance is cem...
Nance palatal arch: a cautionary tale: Journal of Orthodontics: Vol 36 ...
Conclusion: The modified Nance palatal space maintainer offered a comprehensive solution for managing space loss from early primary tooth extraction, and maintaining dental arch integrity, function, and aesthetics. This underscores the importance of effective space management in pediatric dentistry.