Home / Appliances / Habit and Holding / Transpalatal Arch Transpalatal Arch
The transpalatal arch is a .036 wire with a center loop soldered to the upper molar bands, for anchorage and molar control. Made to your Rx and shipped in 10 business days or faster.
Habit and Holding Transpalatal Arch The palatal wire is relieved from the tissue for patient comfort. You can insert it as a passive appliance, or make slight adjustments to widen or rotate the molars. It holds the molars against each other, so you get anchorage with nothing resting on the palatal tissue.
Anchorage
Banded, first molars
Patient age
Mixed and permanent dentition
Correction
Anchorage and molar rotation
Turnaround
10 business days or faster
When it’s the right call.
Use it when
Anchorage reinforcement during extraction space closure
Correcting or holding upper molar rotations
Maintaining molar width after expansion
Holding molar position with no acrylic on the palate
Consider another appliance when
Options you can prescribe.
Arch
Built for the upper arch.
3D printing
Available 3D printed from your scan.
Center loop
The .036 wire carries a center loop for adjustment.
Bands
Soldered to the molar bands.
Still deciding which habit or holding appliance?
The job decides most of it: holding space, holding molar position or breaking a habit. After that, it's how much hardware the palate can take.
What every Transpalatal Arch
case needs.
Send these with the case and it goes straight onto the bench. If anything’s missing, we call you before we start.
Upper and lower digital scans, or stone models if you work on stone
The completed Rx sheet, with your design choices marked
Your requested return date, so we schedule the case back from it
Resources for the Transpalatal Arch
The Rx sheet, instructions for use and chairside guides, ready to download or share with your team.
Questions about the Transpalatal Arch.
What is a TPA in orthodontics?
Ours is a .036 wire with a center loop that crosses the palate between the upper molar bands.
Can I adjust a transpalatal arch?
Yes. Insert it passive, or make slight adjustments to widen or rotate the molars.
Does the TPA touch the palate?
No. We relieve the palatal wire from the tissue for patient comfort.
TPA or Nance appliance?
Choose the Nance when you want a palatal acrylic button for anchorage. Our Nance page covers the comparison.
Can the TPA appliance work as a transpalatal arch space maintainer?
Yes. Inserted passive, it holds the molars in position, which keeps the space.
Send us your next case.
Appliances that fit the first time and arrive on time.
