
If you think a palatal expander is only good for widening your child’s upper jaw, you may be surprised that it does much more. This unique appliance creates more room for better bite alignment, but it also subtly changes your child’s facial shape. Don’t worry, these changes aren’t bad, but it’s worth understanding how they happen so neither you nor your child is surprised. Keep reading to learn what kind of differences you might see as your little one’s jaw continues to develop.
How Does a Palatal Expander Work?
Palatal expanders are oral appliances that can help children with a narrow upper jaw. Misaligned teeth may not have enough room to shift, so an orthodontist may suggest this unique device to widen the palate. When worn for 3-12 months, it creates more space for permanent teeth to erupt and existing teeth to move into alignment.
Your child’s orthodontist might recommend one if:
- The jaw is misaligned
- Teeth appear crooked, crowded, or overlapping
- There’s not enough space for permanent teeth to erupt
- Their teeth show signs of wear and tear
- They are struggling to breathe freely
What Changes to Your Child’s Facial Shape Can You Expect?
Parents expect orthodontic treatment to change their child’s smile, not their face, so how does this happen with a palatal expander? What should you expect to see? Before you worry you won’t recognize the face you love so much, take a breath. Here are a few changes you might notice:
- Your child’s cheekbones may sit higher than before. While subtle, this change may make them more defined.
- Your child’s smile might appear wider and more balanced because of the broader arch.
- Your child might begin to breathe easier, especially at night, since the upper palate acts as a floor for their nasal cavity.
- Their midface might appear fuller because of the expander’s widening effect.
Again, these changes are not dramatic. They actually provide positive improvements that your child will appreciate as they get older.
Orthodontic treatment may focus on improved function and long-term oral health, but it can also improve appearance. With a palatal expander, your child can experience better jaw development as well as a more balanced, confident smile.
About the Author
At Simply Orthodontics, Dr. Arlene Pimentel is a board-certified orthodontist who earned her Doctor of Dental Medicine from Tufts University School of Dental Medicine. She then practiced general dentistry for several years before specializing in orthodontics. This led her to earn her Master/Certificate in Orthodontics from Jacksonville University. As a multilingual professional in Milford, she helps patients of all ages prepare for straighter, healthier teeth using a wide range of appliances. Does your child need a palatal expander? Visit our website to schedule an appointment.






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