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Abstract
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.
Recommended Citation
Huang, Guo-Wei; Li, Li-Hsiang; Su, Chih-Peng; Chiang, Chin-Yu; Wang, Mao-Sheng; and Lee, Sheng-Yang
(2010)
"Correction of Posterior Crossbite Malocclusion–Application of the Quad-Helix Appliance,"
Taiwanese Journal of Orthodontics: Vol. 22:
Iss.
4, Article 2.
https://doi.org/10.30036/TJO.201012.0002
Available at:
https://www.tjo.org.tw/tjo/vol22/iss4/2
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