Home / Appliances / MARPE and Surgical Wires / MSE Expander Moon expander
The Moon expander, the MSE, is the original TADs-second appliance: you deliver it first, then place the TADs through it. Made to your Rx and shipped in 10 business days or faster.
MARPE and Surgical Wires MSE Expander Four posterior palatal miniscrews are placed to engage both the palatal and nasal floor cortex, with two bands on the first molars. The expansion screw comes in 8, 10 and 12 mm. For how it compares with a custom MARPE, see our MSE vs MARPE guide.
Anchorage
Four miniscrews, two molar bands
Patient age
Late adolescents and adults
Correction
Skeletal transverse
Compliance
Screw turns at home
Turnaround
10 business days or faster
When it’s the right call.
Use it when
Transverse deficiency after midpalatal suture maturation
Adults who want an alternative to surgical expansion
Cases that need posterior skeletal anchorage for expansion
Midface width deficiency in a late adolescent
Consider another appliance when
The patient is growing and the suture is open See Haas
Options you can prescribe.
Screw size
Choose an 8, 10 or 12 mm expansion screw.
Appliance first
We build the appliance, then you place the TADs through it.
3D printing
Available 3D printed from your scan.
Still deciding which skeletal expander?
Suture maturity, where the palate allows miniscrews, and how much of the load you want on the teeth. Those three narrow the choice.
What every MSE Expander
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
A CBCT, if you've added CBCT planning
The completed Rx sheet, with your design choices marked
Your requested return date, so we schedule the case back from it
Resources for the MSE Expander
The Rx sheet, instructions for use and chairside guides, ready to download or share with your team.
From the Education library
Questions about the MSE Expander.
What is the Moon expander?
The MSE, the original TADs-second skeletal expander. You deliver the appliance, then place the TADs.
How much is an MSE expander?
Pricing sits behind your account login, so log in to see it or open an account. Cost depends on the screw size and the design.
What screw sizes does the MSE come in?
MSE vs MARPE: which should I prescribe?
Our MSE vs MARPE guide walks through when each fits. If the case is borderline, talk to a clinical expert first.
Send us your next case.
Appliances that fit the first time and arrive on time.
