Posterior crossbite is a common malocclusion in the deciduous or mixed dentition. Various techniques of posterior crossbite correction have been suggested, including rapid maxillary expansion, slow expansion with a quad-helix appliance or removable expansion plate, grinding, and composite onlay. The aim of this article is to review the fabrication, clinical adjustment, advantages and disadvantages, and functions of the quad-helix appliance.
|Translated title of the contribution||Correction of Posterior Crossbite Malocclusion-Application of the Quad-Helix Appliance|
|Original language||Chinese (Traditional)|
|Number of pages||7|
|Publication status||Published - 2010|
- quad-helix appliance
- posterior crossbite