Most people assume a crossbite is just an aesthetic issue. It isn’t. Left untreated, a posterior crossbite shifts jaw growth asymmetrically — causing facial asymmetry that becomes permanent after the growth plates close. Treating a 9-year-old costs a fraction of what correcting the same problem costs in a 25-year-old.
Here’s what crossbite correction costs at every age and stage.
Cost by Treatment Type
| Treatment | Typical Cost | Best Age / Indication |
|---|---|---|
| Palatal expander (RPE) | $1,000–$3,000 | Children 7–14, posterior crossbite |
| Braces (full treatment) | $4,000–$8,500 | Any age, tooth-level crossbite |
| Invisalign | $4,500–$9,000 | Teens and adults, mild-moderate |
| SARPE (surgical expansion) | $8,000–$15,000 | Adults, skeletal crossbite |
| Orthognathic surgery | $20,000–$45,000 | Severe skeletal crossbite, adults |
| Phase 1 + Phase 2 combined | $5,000–$12,000 | Children needing early + full treatment |
Understanding the Types of Crossbite
Anterior crossbite: One or more upper front teeth sit behind the lower front teeth when biting. Looks like a localized underbite.
Posterior crossbite: Upper back teeth close inside the lower back teeth. Often causes the jaw to shift to one side.
Dental crossbite: The teeth are tipped or rotated into the wrong position, but the jaw bones are correctly aligned. Braces or aligners can fix this alone.
Skeletal crossbite: The jaw bone itself is too narrow or misaligned. This requires a palatal expander (in growing patients) or surgery (in fully-grown adults).
Distinguishing dental from skeletal is the critical first step — it determines whether braces alone will work or whether additional treatment is needed.
Palatal Expanders: The Best Investment for Kids
For children with posterior crossbite and a narrow upper arch, a rapid palatal expander (RPE) is the gold standard. It works while the mid-palatal suture is still open — typically until age 14–16 in girls, 16–18 in boys.
The expander is cemented to the upper molars. A parent or patient turns a small key daily to widen the device by a fraction of a millimeter, gradually expanding the upper arch over 3–6 months. An additional 6–12 months of retention keeps the new bone in place.
The American Association of Orthodontists recommends evaluation by age 7, when bite problems can be identified early enough for interceptive treatment. An expander at age 9 might prevent $20,000 in jaw surgery at age 22.
Insurance: Orthodontic coverage (if present) typically applies to expanders. Most plans contribute a lifetime benefit of $1,000–$2,500 toward orthodontic treatment including expanders.
Untreated posterior crossbite in children often causes adaptive jaw shifts — the jaw moves to one side every time the child bites down. Over years, this asymmetric muscle pattern can cause uneven jaw growth, facial asymmetry, and temporomandibular joint (TMJ) problems. In adults, these changes are permanent without surgery. Early correction avoids all of this.
Braces for Crossbite Correction
For dental crossbites (teeth are the problem, not the bone), traditional braces or clear aligners correct the issue by moving teeth into proper alignment. Cost and timeline are similar to standard orthodontic treatment: $4,000–$8,500 over 12–24 months.
Clear aligners can manage many crossbite cases, though they work best for mild-to-moderate dental crossbites. Invisalign’s “Mandibular Advancement” feature can also address some minor skeletal components in growing teens.
SARPE: Surgical Expansion for Adults
Adults whose mid-palatal suture has fused can’t be expanded with an expander alone. SARPE (Surgically Assisted Rapid Palatal Expansion) involves an oral surgeon surgically releasing the suture, then the patient wears an expander to gradually widen the now-mobile palate.
It’s more invasive than a childhood expander but far less expensive and complex than full jaw surgery. Most patients tolerate it well. Recovery is 1–2 weeks of significant swelling followed by normal expansion and retention.
Cost: $3,000–$8,000 for the surgical component, plus expander fabrication and orthodontics.
Attempting to use a standard palatal expander on a skeletally mature adult without surgical release won’t expand the palate — it’ll just tip the teeth outward and potentially loosen molars. An adult who needs expansion and skips the surgical step wastes money and time. Make sure your orthodontist has assessed skeletal maturity (usually via X-ray or hand/wrist films) before treatment planning.
Orthognathic Surgery for Severe Cases
Severe skeletal crossbites in adults — where the entire upper jaw is positioned too narrow or too far to one side relative to the lower jaw — may require orthognathic (jaw) surgery. A Le Fort I osteotomy repositions the upper jaw; a BSSO addresses the lower jaw if needed.
Total cost including presurgical braces, surgery, hospital fees, and post-surgical orthodontics: $20,000–$45,000+. Medical insurance often covers the surgical portion when functional impairment is documented (chewing difficulty, TMJ dysfunction, speech issues). Dental insurance covers the orthodontic components.
Saving on Crossbite Treatment
Start early. The savings from catching a posterior crossbite in a 9-year-old versus a 25-year-old can be $10,000–$30,000. Pediatric dental X-rays reveal developing crossbites before they’re clinically obvious.
Orthodontic school programs. Graduate orthodontic programs at dental schools offer supervised treatment at 40–60% below private practice rates. Wait times can be longer, but the quality is excellent.
Phase I only if warranted. Some orthodontists recommend Phase 1 treatment (early intervention) followed later by Phase 2 (full braces). This is genuinely beneficial for crossbite — but not all Phase 1 recommendations are necessary. Get a second opinion before committing to two full rounds of treatment.
Crossbite is one of the few orthodontic problems where timing truly determines outcome. Catch it early, treat it right, and you’ll spend far less than someone who waits until adulthood to address it.