Surgically Assisted Rapid Palatal Expansion

A narrow upper jaw that resisted braces in adolescence does not simply correct itself, and by adulthood, the bones of the palate have fused too firmly for orthodontics alone to widen them. When the roof of the mouth is too constricted, the result can be crowded teeth, a crossbite, difficulty breathing through the nose, and an arch that no expander can move without help.

At Wilshire Oral Surgery and Implant Center, our board-certified oral and maxillofacial surgeons perform Surgically Assisted Rapid Palatal Expansion, a specialized procedure general dentists are not trained or licensed to provide. Dr. Jonathan R. Shadi brings advanced surgical training and years of private-practice experience in the Greater Los Angeles area to every case, and we coordinate closely with your orthodontist so the surgical and orthodontic phases work as one plan. Patients exploring this option will find it part of our broader scope of oral and maxillofacial procedures, where complex skeletal correction is something we manage every day.

What Surgically Assisted Rapid Palatal Expansion Is

Surgically Assisted Rapid Palatal Expansion, often abbreviated SARPE or SARME, is a combined surgical and orthodontic treatment used to widen an upper jaw that is too narrow for the lower arch. The procedure addresses what surgeons call maxillary transverse deficiency, a condition in which the upper arch is constricted relative to the lower one. During treatment, a surgeon makes precise cuts in the bone to release the areas of resistance, and an expander appliance then gradually widens the maxilla over the following weeks.

The reason this requires surgery in adults comes down to anatomy. In children and young teenagers, the seam running down the center of the palate has not yet fused, so an orthodontic expander can separate it gently. Once that suture and the surrounding bone harden, mechanical force alone cannot move them safely, which is why a surgical release becomes necessary for older patients.

When Surgery Is Needed Versus Traditional Palatal Expansion

Choosing between traditional expansion and a surgical approach depends almost entirely on skeletal maturity and the severity of the constriction. Younger patients with growing bones are often candidates for non-surgical expansion, while adults whose palatal sutures have fused typically require a surgical release to achieve a stable, predictable result.

Several factors help our surgeons determine which path fits you best:

• Age and bone maturity: Patients whose palatal sutures have fully fused generally cannot achieve skeletal widening through orthodontics alone.
• Degree of narrowing: Larger transverse discrepancies are more reliably corrected with a surgical release than with appliance force.
• Prior treatment history: An expansion attempt that relapsed or failed often signals that a surgical approach is the more durable option.

Because every jaw is different, we use advanced three-dimensional imaging to map your anatomy before recommending a plan. Our cone beam 3D imaging lets us evaluate bone thickness and the exact areas of resistance, so the surgical decision is grounded in your individual anatomy rather than a one-size-fits-all rule.

The Surgical Procedure and Recovery

The surgery itself is performed in a controlled, comfortable setting using anesthesia tailored to the patient. Our in-house IV sedation and general anesthesia options mean you can undergo the procedure calmly and comfortably, all within our West Los Angeles office. The surgeon releases the bone at the points of resistance, places or activates the expander, and you return home the same day with detailed aftercare guidance.

Recovery is usually more manageable than patients expect. Mild swelling and tenderness are common in the first several days, and most people return to normal routines within a week or two while the expansion phase continues at home. That said, surgery of this kind does carry risks, and a 2024 analysis of 185 cases documented the range of possible complications, which is exactly why having an experienced maxillofacial surgeon manage the procedure matters so much.

Orthodontic Coordination and Specialist Care

SARPE is never a standalone surgery. It is one stage of a larger orthodontic plan, and the surgical timing must align precisely with your orthodontist’s appliance schedule so the widened arch settles correctly. We treat this coordination as a core part of our role, communicating directly with your orthodontic provider before, during, and after the expansion phase. This same collaborative approach guides our work on related orthodontic surgical cases, including corrective jaw surgery and the exposure of impacted teeth that often accompany complex bite correction.

Schedule Your Consultation With Wilshire Oral Surgery and Implant Center

Wilshire Oral Surgery and Implant Center is LA’s premier state-of-the-art oral and maxillofacial surgery practice, offering full-scope surgical care with the latest diagnostic and treatment technology in one of the city’s most iconic neighborhoods. Our board-certified surgeons bring extensive training, same-day surgery availability, and bilingual care, with Spanish spoken in the office and both doctors fluent in Persian and Farsi. For patients across West Los Angeles, that combination of specialist care and personalized attention is what makes complex procedures like palatal expansion feel approachable.

If a narrow upper jaw has been holding back your bite, your breathing, or your orthodontic progress, the next step is an evaluation with a surgeon who performs this procedure routinely. You can read more about Dr. Jonathan Shadi and his background, then reach out to our office to schedule your consultation and find out whether surgical expansion is right for you.

Frequently Asked Questions