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How Long Do You Need to Use a Palate Expander?

PALATE EXPANDER

A palate expander is a device designed to make the upper jaw wider. Sometimes, it’s called an orthodontic expander. At Central Texas Orthodontics in Austin, TX, Dr. Brian St. Louis proudly offers treatment with this palate expander because many children can benefit significantly from having their upper jaw widened. If you’re worried that your child won’t have enough room for their adult teeth to grow in properly, read on to learn more about this treatment.

How Long Do You Need to Use a Palate Expander?

Most people need to keep a palate expander in their mouth for five to six months. However, most of this time is only to allow for the maturation of the recently expanded jaw bone. Typically, the palate expansion process itself takes only 21 to 42 days to be completed.

Several factors affect how long the palate expansion process will actually take, including how much the upper jaw needs to widen and how consistently your child turns their key as required. If your child only needs to turn their key once daily, it’s a good idea to incorporate it into their morning routine. Children eat breakfast regardless of whether it’s a school day or not, for example, so have them turn in their key every morning after breakfast.

What If My Child’s Key Needs to Be Turned in Twice Daily?

Consistency can be a little tricker if your child needs to turn their key twice daily. Sports, music lessons, and other extracurriculars can cause evening routines to vary. If your child goes to bed at the same time every night, you may want to set an alarm for an hour before bedtime and have them tighten their key then.

What Problems Can Occur During This Treatment?

The most common problem that can occur during this treatment is the child forgetting to turn their key. This won’t reduce the efficacy of the treatment, but it will reduce its efficiency. The other problem that you need to bear in mind is that, sometimes, the child does not turn their key completely. If the key is only turned partially, the next time they try to make a turn, the key will not go into the new hole.

If this occurs, your child will need to go back to the prior hole. This hole will be located near the back of the mouth. Once the previous hole is found, they will need to insert the key and finish the turn.

How Does the Orthodontic Expander Need to Be Cared for?

Caring for a palate expander is fairly simple. It needs to be brushed at least twice per day. Ideally, though, it should be brushed thoroughly after every meal. While it may not be feasible for your child to brush their palatal expander after lunch at school, you should strongly encourage them to brush their palatal expander after every meal they eat at home. If your child can’t brush their expander after a meal or snack, they need to rinse it thoroughly.

The palatal expander can be rinsed with water. However, it is better if they can be rinsed with mouthwash. If you want your child to use mouthwash to keep their orthodontic expander clean, the mouthwash should be antimicrobial. Using a water flosser is another option you can consider. Water flossers are highly effective at the removal of food particles and plaque.

Should I Buy My Child a Special Toothbrush?

Whether you need to buy a special toothbrush for their palate expansion treatment depends on the kind of toothbrush they are currently using. Your child must brush their teeth with a soft-bristled toothbrush.

Sometimes, children brush their teeth very aggressively. If teeth are brushed very aggressively with a medium- or hard-bristled toothbrush, gum damage can occur. Note that the toothpaste used is also important. Throughout the entire treatment process, your child should use a minimally-abrasive toothpaste.

What Should My Child Eat While Their Expander Is In?

There are several dietary restrictions your child will need to adhere to while their orthodontic expander is in. They mustn’t eat or chew on anything sticky, like bubble gum, caramels, or taffy. Furthermore, the consumption of hard foods must be very limited. Nuts and popcorn should not be consumed during the five to six months that the orthodontic expander is in.

Some hard foods are okay in some situations. For example, you can pack raw carrots, apples, or celery sticks in their lunch if they are cut into bite-size pieces. Some of the best foods to include in your child’s diet include eggs and other dairy products for protein, nut butter or seed butter, whole grain bread for carbs, meat, and soft fruits and vegetables.

Will This Treatment Hurt My Child?

No, this treatment will not hurt your child. Each orthodontic expander is custom-made based on each child’s unique upper jaw. If it is determined that your child is a good fit for this treatment, a mouth impression will be made using bands on the upper molars. It generally takes around ten business days for the expander to be made based on this impression.

Once the custom appliance has been made, your child will come in for a follow-up appointment. Dental cement will be used to affix it to the upper denticles. Keep in mind that your child may need time to adjust to the new appliance. It may feel a little funny for them to talk or eat at first. Furthermore, they may feel a bit of sinus pressure and salivate a lot more than normal. They will get used to the appliance very quickly.

Who Is the Ideal Candidate for an Orthodontic Expander?

The ideal candidate for an orthodontic expander has not yet hit puberty. This is because the treatment is most effective for individuals with maturing palatal sutures. Typically, we treat females who are no older than 12 or 13. Similarly, we typically treat males who are no older than 13 or 14. Around 14 or 15, the palatal suture amalgamates. Once the amalgamation has taken place, this treatment won’t be effective.

What Are the Most Common Indications for This Treatment?

Some of the most common indications for this treatment are crowding impacted teeth and a crossbite. If your child has a crossbite because their palate is too narrow, when they bite, their upper teeth will sit inside their lower teeth.

If they suffer from crowding, there are several problems they may experience, including pain while biting. Crowding happens when the mouth is too small for all of the permanent teeth. In cases of severe crowding, some of the teeth can become impacted. An impacted tooth is a tooth that has developed fully below the jaw, but there is no room in the mouth for it to penetrate the gumline.

What If an Adult Needs to Expand Their Palate?

If you or a loved one has a narrow palate and a fully mature jawbone, there are a couple of options. Palate expansion surgery is one such option. If you don’t think surgery is right for you or your older child, braces may be a better option to correct an overbite or crowding.

Who Is a Good Candidate for Braces?

Typically, a good candidate for braces is an older teen or adult with concerns about the appearance of crooked teeth. However, braces can correct a lot more orthodontic problems than crooked teeth. For example, they can be used to correct an open bite, overjet, or large gaps between the teeth.

It can also correct a moderate or severe overbite due to a narrow upper jaw that was not widened before puberty. If you have an overbite that you’d like to correct, schedule an appointment with an orthodontist to discuss your health, concerns, and goals to verify your candidacy.

Schedule an Appointment Today

As a general rule, you can expect your child to need a palate expander in their mouth for five to six months. However, it will only take roughly three to six weeks for the widening process to be complete. If you think your child could benefit from having their palate expanded, contact us now at Central Texas Orthodontics in Austin, TX to schedule an appointment with Dr. Brian St. Louis. If you have a narrow palate, braces or surgery may be right for you.

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Average Rating: 5

21 Reviews

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Excellent service and treatment!

by Lisa

Dec10,2025

We have been seeing Dr. St. Loius at Central Texas Orthodontics for a couple kids now over several years. Everytime we walk in for an appointment, we are greeted warmly and promptly taken back. The office is easy to get to and always runs on time, we have never had to wait to be seen, which is remarkable for a medical/dental office! The payment options were also fair and easy to understand. And the follow up, even after those braces come off, has been stellar! Retainers get lost or chewed up sometimes (ugg!), but a quick text into the office and we were able to drop off the original molds and have new ones made very quickly. Everyone who works at this office truly cares, and you can tell they all enjoy where they work, which is really wonderful to see. I cannot speak highly enough of this office, the staff, the care, and ESPECIALLY the after care and protecting our investment.

Category: orthodontist * Individual results may vary.

Austin’s Best Orthodontics!

by Robin Petmecky

Aug14,2025

Dr. St. Louis and his staff are exceptional! Their professional, friendly and caring manner stand out every time I have an appointment. They are always very positive during my visits and make me feel like I’m part of their family. I never have to wait to be seen and I’m usually out in a minimal amount of time. I had my last orthodontic visit recently and they invited me to stop in anytime, just to say hello. I highly recommend Central Texas Orthodontics to anyone needing their services. They are truly the BEST!

Category: orthodontist * Individual results may vary.

FANTASTIC GROUP!

by Melissa Moore Yacono

Apr23,2025

I love this office and the lovely, happy, warm staff!! Every one of the staff is kind and friendly! The vibe of the office is uplifting, relaxing, and Austin-y. Love it. The plants make it pleasant. Everything is so clean! What a refreshing visit and thank you so much for the stellar customer service.

Category: orthodontist * Individual results may vary.

Simply the Best!

by Christine Laux

Mar27,2025

Dr. B. and his team are fantastic: Everyone just truly cares! They are knowledgeable and super helpful, always happy to consult. I recommend CTO not only for children and teens, but for adults as well! My two teenage daughters got their braces and I got my Invisalign. Dr. B. took his time to go over all our treatment plans and make adjustments. The communication is seamless and very responsive. All team members are wonderful - my special shoutout goes to Beatrice and Christen though: Those two lovely ladies go above and beyond with everything they do! Thanks to y’alls fabulous care our teeth are all straight now!

Category: orthodontist * Individual results may vary.

Awesome Experience

by Norma Constancio

Feb12,2025

Dr. St. Louis and his staff were wonderful! From their friendly staff, nice office environment and Dr. St. Louis always willing to answer my questions. I would 100% recommend Central Texas Orthodontics to anyone.

Category: orthodontist * Individual results may vary.

Amazing staff

by Ms. Locke

Dec 6,2023

I recently finished my treatment and was looking for the backup retainers. After doing my research I decided to make an appointment with Central Texas Orthodontics. I got it scheduled the same day and had my retainers ready in two weeks! Dr. St. Louis and the staff went above and beyond to make me feel welcomed and cared for. I highly recommend this office to anyone who needs a new set of retainers!

Category: orthodontist * Individual results may vary.

Great doctor and staff

by Sherry lewis

Nov15,2023

Great doctor and staff. I’ve had 2 sets of braces and misc work. Very professional, clean, and nice people. Kudos to Dr St. Louis for giving me a perfect smile. My TMJ doctor commended me on my perfect teeth alignment ! highly recommend.

Category: orthodontist * Individual results may vary.

Wonderful

by Amanda Manti

Jun 6,2020

We had a wonderful experience with two of our children getting their teeth straightened at this office. Love the staff-friendly and fun. And Dr. B did a fantastic job. After delays due to Covid, he personally went well out of his way to see my daughter and it was so appreciated! Thank you!

Category: orthodontist * Individual results may vary.

Awesome Staff

by Phillip

May28,2020

The staff here is always so pleasant. They communicate well with their patients and are always easy to consult. I've had nothing but positive experiences here at Central Texas Orthodontist. I enjoy getting to see everyone when I visit.

Category: orthodontist * Individual results may vary.

Amazing Service

by Erika Loya

Feb24,2020

This is an awesome team. Always greeted with a smile and lots of positive energy. Jessica is very knowledgeable, skilled and makes you feel completely at ease thru out the entire process every visit. I look forward to my visits.

Category: orthodontist * Individual results may vary.

The best!!

by Hernandezfam

Feb12,2020

I love the whole team here! They’re super friendly and always go the extra mile to provide the best care!

Category: orthodontist * Individual results may vary.

The best!

by Rich Payne

Jan29,2020

Love these guys!! Best ortho in town

Category: orthodontist * Individual results may vary.

Love this place

by Ms. Lemons

Dec19,2019

I really love this office and the people who work there. They really do care about their patients needs and will break everything down for you to understand.

Category: orthodontist * Individual results may vary.

CTO

by Vivian Gray

Dec 4,2019

CTO is the best!!!

Category: orthodontist * Individual results may vary.

Thanks

by KDILLING

Oct31,2019

Great Team

Category: orthodontist * Individual results may vary.

Amazing orthodontist!

by Mary Crecelius

Oct15,2019

We initially went to a different doctor, who sent us to an unnecessary specialist. After a second opinion from Dr. St. Louis, we aren't even ready for braces yet! That is an example of an ethical doctor. I'm pleased that my ten year old will begin her braces with Dr. St. Louis, but not until the time is ready. He sincerely takes you in as if you are the only patient of the day. His staff is polite, articulate, and the office is spotless. I highly recommend this orthodontist to anyone in need. I trust him with my children.

Category: orthodontist * Individual results may vary.

Customer Service @ the Next Level

by Tierra Thomas

Oct 9,2019

Today was my first time visiting this office after they were able to come in after speaking with me the day prior. Note, most offices do not have next day availability for non-emergent care. First, Beatrice! She made me feel welcomed, important and she was willing to take the time with me from the moment I walked into the door! Beatrice doesn’t only belong in the customer service/patient setting, but she specializes in caring for patients and it shows outwardly and genuinely! Second, the Man with the Plan, Dr. Lewis. He is considerate, professional, and demonstrates patience and concern for his patients as well. He answered my questions, and not once did he make me feel like “he had better things to do” or “he had more patients to see”. His tone and cadence sets the tone in this office, and everyone of the staff enjoy being at work! They love what they do, and offices like this one are hard to find! They are an office that should be modeled by many! I’ll be back, and I’ll definitely refer them to those seeking unique, honest, professional, and personalized care! Great job to the entire office -keep it up! Sincerely, Your new number one fan!

Category: orthodontist * Individual results may vary.

Best in Austin!

by Kelly Buskirk

Sep17,2019

CTO has the nicest staff and one of the most well run businesses in Austin. We have had a great experience all around, awesome people, straightforward pricing and great results!

Category: orthodontist * Individual results may vary.

Best ever

by Brandon Hertel

Sep16,2019

Best orthopedic office in Austin.

Category: orthodontist * Individual results may vary.

Awesome Orthodontics Office

by Mary lLou Brown

Jun20,2019

Dr. St. Louis and staff are phenomenal. They always go above and beyond to ensure that you are happy and do their best to ensure in answering all questions. I have been a patient 2 1/2 years and would not think of going elsewhere. Availability for scheduling is very accommodating for work and school schedules. Sweetest office staff ever and one I will continue to refer friends and family. Thank you all for your patience ....

Category: orthodontist * Individual results may vary.

Best Othrodontist office in town

by Rich Payne

May23,2019

Central Texas Orthodontics is fabulous! The staff is soo soo nice and Dr Brian is great. Christen handles the scheduling and does so flawlessly. Love these guys!

Category: orthodontist * Individual results may vary.

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Central Texas Orthodontics
3413 W. Slaughter Ln,
Austin, TX 78748
Phone: 512-292-1910

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