Orthodontic Appliances

Widen narrow upper jaws and correct severe crossbites with a Rapid Palatal Expander at Bright Smiles Miami. Guide healthy facial growth and create vital room for adult teeth early.

‍

A healthy, functional bite requires the upper and lower jaws to fit together harmoniously. When a growing child's upper jaw is too narrow, it can lead to crossbites (where the upper back teeth bite inside the lower teeth), severe overcrowding, and restricted nasal airway passages. A Rapid Palatal Expander (RPE) is a specialized orthodontic appliance designed to gently widen the upper jaw while the bone sutures are still developing and flexible, solving structural issues that are much harder to treat in adulthood.

The RPE sits comfortably against the roof of the mouth and attaches securely to the upper side teeth. By activating the central expander mechanism gradually at home using a specialized key, gentle pressure gently separates the two halves of the upper palate. Over a few weeks, new bone naturally forms in the gap, permanently widening the dental arch. This proactive early interceptive care under the supervision of Bright Smiles Miami creates room for incoming permanent teeth and establishes a balanced facial structure.

‍

At Bright Smiles Miami, we recommend palatal expander evaluations during a child's peak growth years, typically between the ages of 7 and 12. During your child's initial consultation, our orthodontist takes precise digital scans to fabricate a custom-fit expander. We walk parents and children step-by-step through how to perform key turns at home, making the process simple, safe, and stress-free.

The active expansion phase usually takes only 2 to 4 weeks. Once the ideal arch width is reached, the expander remains in place for several months to allow new bone tissue to stabilize and solidify. A temporary gap may open between your child's two top front teeth during expansion—this is a normal, positive sign that the jaw bone is widening, and the gap closes naturally shortly after. Investing in an RPE sets the foundation for a lifetime of functional bite health and a broad, confident smile.

‍

FAQs

Straight answers to the questions we hear most in our chairs

What is a Rapid Palatal Expander (RPE)?
An RPE is a custom-made orthodontic appliance anchored to the upper back teeth that gently widens a child's narrow upper jaw by applying gradual pressure to the palatal suture.
Why does a child need a palatal expander?
Expanders are used to correct crossbites, relieve severe crowding, create space for incoming adult teeth, and broaden a narrow upper jaw to improve overall bite alignment and symmetry.
At what age should a child get a palatal expander?
Expanders are most effective in growing children between ages 7 and 13, before the palatal suture fuses during adolescence. Early evaluation ensures maximum flexibility and comfortable bone adaptation.
How do parents turn or activate the palatal expander?
Our team will demonstrate how to insert a small activation key into the center screw mechanism of the expander and rotate it a quarter-turn once or twice a day according to your customized prescription.
Does turning a palatal expander hurt?
Turning the expander is not painful, though your child may feel temporary pressure across their nose, cheeks, or upper roof of the mouth for a few minutes after a turn.
Why does a gap appear between my child's front teeth during expansion?
A space opening between the top front teeth is a completely normal and desirable sign that the two halves of the upper jaw bone are separating. The gap closes on its own as surrounding tissues settle.
How long does a palatal expander stay in the mouth?
Active turns usually take 2 to 4 weeks, but the expander remains in place for an additional 3 to 6 months without being turned so new bone can solidify across the expanded palate.
Will a palatal expander affect my child's eating or speaking?
Your child may speak with a slight lisp and swallow differently for the first few days. Eating soft foods initially helps them adapt quickly, and normal speech returns within a week.
How do you clean around a palatal expander?
Encourage your child to brush thoroughly after meals, pay extra attention to the roof of the mouth, and use a water flosser or syringe with warm water to flush away food particles trapped under the appliance.
Can a palatal expander help with mouth breathing or snoring?
Yes! Expanding the upper palate broadens the floor of the nasal passage, which can reduce airway resistance, improve nasal breathing, and reduce mouth breathing or snoring in many children.
Does dental insurance cover a Rapid Palatal Expander?
Most dental insurance plans with orthodontic benefits cover interceptive appliances like RPEs. Our office staff will verify your coverage and help arrange convenient financing plans.
Why choose Bright Smiles Miami for palatal expansion?
Bright Smiles Miami specializes in gentle pediatric orthodontic care, using state-of-the-art diagnostic technology and clear, compassionate guidance so children and parents feel fully supported.

Contact us

Ask us anything. We answer straight and we answer fast.

Email

The fastest way to reach us
info@brightsmilesmiami.com

Phone

Call during office hours
(305) 428-2878

Office

2555 SW 8th St Suite 201, Miami, FL 33135

Office Hours

Monday
9:00am - 5:00pm
Tuesday
Closed
Wednesday
9:00am - 5:00pm
Thursday
10:00am- 6:00pm
Friday
9:00am - 3:00pm
Saturday
8:30am - 1:30pm
Sunday
Closed
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.