Fixed Appliances
Digitally Designed, Bonded with Confidence
Fixed appliances are a staple of modern orthodontic treatment — and at Erie’s, we use cutting-edge digital design to fabricate reliable, precision-fit appliances that make chairside placement faster and easier.
From quad helix to transpalatal arches, our appliances are laser-welded, CAD/CAM designed, and 3D printed to exacting standards using your digital impressions.
Key Products:
● Banded/bonded expanders (RPE, Hyrax)
● Nance appliances
● Quad Helix
● Lingual arches
● Habit appliances (cribs, rakes)
● TPA (Transpalatal Arch)
● Lower lingual holding arch (LLHA)

Why Erie’s for Fixed Appliances?
● Precision digital fit from STL files
● Strong, biocompatible materials
● CAD-designed, 3D printed for reproducibility
● Less chairside adjustment = more efficient appointments
● Arch development and expansion
● Molar rotation correction
● Space maintenance and anchorage
● Habit intervention
Turnaround Time: Standard: 48–72 hours in-lab
Rush options and pre-fit digital previews available
Submission Instructions:
1. Upload upper/lower STL files with bite scan
2. Indicate band size or request Erie’s to size
3. Include detailed notes on appliance type, activation, and add-ons
4. Select preference for soldered or laser-welded joints