What is MARPE?
MARPE (Miniscrew-Assisted Rapid Palatal Expansion) is an advanced orthodontic technique used to widen the upper jaw (maxilla) in teens and adults where traditional expanders may not be effective. Unlike conventional methods, MARPE uses small biocompatible screws (miniscrews) placed in the palate to anchor the expander directly to the bone, allowing for more precise and stable skeletal expansion. This treatment can improve bite alignment, create space for crowded teeth, and even enhance breathing by opening up the nasal airway. MARPE is a non-surgical alternative for patients who may otherwise require jaw surgery for maxillary expansion.
Who Is a Good Candidate for MARPE?
MARPE is ideal for older teens and adults whose upper jaw (maxilla) has stopped growing and can no longer be expanded with traditional orthodontic appliances. You may be a good candidate for MARPE if you:
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Have a narrow upper jaw or crossbite
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Experience crowding of teeth due to lack of space
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Suffer from airway or breathing issues related to a constricted palate
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Have been told you may need jaw surgery to widen your upper arch
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Are looking for a non-surgical alternative to improve jaw alignment
Because MARPE anchors directly to the bone with miniscrews, it offers a more stable and effective solution for skeletal expansion in patients whose bones have matured past the point where traditional expanders are effective. Schedule a free consultation with Dr. Arjun Patel so we can discuss if MARPE may be right for you!
Benefits of MARPE
Here’s how it works:
Consultation & 3D Imaging: We assess your jaw, bite, and airway to determine if MARPE is right for you.
Appliance Placement: Miniscrews and expander are placed in a quick, in-office visit.
Expansion & Stabilization: You activate the expander at home as your jaw gradually widens and stabilizes.
What to Expect During Treatment
Your MARPE journey begins with a detailed consultation, including 3D scans and a discussion of your treatment goals. Once you're ready to move forward, the miniscrews and expander are placed in a quick, in-office appointment.
Over the next few weeks, gentle adjustments—made either by you at home or by Dr. Patel in-office—help guide the expansion process. Most patients feel mild pressure or slight discomfort during this phase, which typically subsides quickly.
Treatment usually takes a few months of active expansion followed by a 6 month stabilization period, setting the foundation for future orthodontic care if needed.
Frequently Asked Questions About MARPE
MARPE (Miniscrew-Assisted Rapid Palatal Expansion) is a non-surgical technique used to widen the upper jaw in teens and adults by anchoring an expander to the bone with miniscrews.
Older teens and adults with a narrow upper jaw, dental crowding, crossbite, or breathing issues may be ideal candidates for MARPE—especially when traditional expanders are no longer effective.
Most patients experience only mild pressure or discomfort during activation. The placement is minimally invasive, and any soreness typically resolves quickly.
Treatment usually takes a few months of active expansion followed by a 6 month stabilization period, setting the foundation for future orthodontic care if needed.
Yes — MARPE is a safe and effective procedure when performed by an experienced orthodontist. The miniscrews are made of biocompatible materials and are gently placed with minimal discomfort and a low risk of complications.
Unlike traditional expanders that rely on dental anchorage, MARPE anchors directly to the bone using miniscrews. This allows for true skeletal expansion, which is especially important for teens and adults whose jaw growth has completed.
In many cases, yes. MARPE offers a non-surgical alternative to jaw surgery for patients who need to widen their upper jaw, making it a great option for those who want to avoid more invasive procedures.
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