The Patient's Guide to a Quad Helix Expander - Premier Orthodontics
Early Expansion: Patient impacts with RME versus quad helix. - Kevin O'Brien's Orthodontic Blog
Why do teeth straightening treatments need quad helix?
Removable Quad Helix - Size 1 Small
Quad Helix Expander | In Phase I (for our younger patients), we often use a quad helix expander to gently expand the upper arch. It is an orthodontic appliance that is...
Orthodontic Appliances Casper, WY | Space Maintainers | Palatal Expanders