Quad-helix compression to decompensate molar inclination prior to skeletal expansion | Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie
Non-Helix Rapid Palatal Expander
Early Expansion: Patient impacts with RME versus quad helix. - Kevin O'Brien's Orthodontic Blog
Learn How a Quad Helix Expander Works | Empire Dental
Arch Development, Quad Helix U, Dental Arch Development | SML
6. Appliances | Pocket Dentistry
3D Quad-Helix U, Arch Development, Orthodontic Lab Appliances | SML
Campbell Huber Orthodontics on X: "Are you having a Quadhelix fitted soon? This appliance allows your upper arch to be expanded, making space for all your teeth to align before fixed braces