What Are Metal Expanders?
Metal expanders, also known as palatal expanders or orthodontic expanders, are devices used to widen the upper jaw (palate). These appliances are made of high-quality metal and are custom-fitted to each patient. They are typically used in children and adolescents whose jawbones are still developing, making it easier to guide jaw growth and improve dental alignment.
Our team at Yang Orthodontics specializes in providing customized orthodontic solutions to create healthy, beautiful smiles. Among the many tools we utilize, traditional metal expanders play a vital role in treating certain orthodontic issues, especially in growing patients. This page explains what metal expanders are, how they work, and why they might be recommended for you or your child.
How Do Metal Expanders Work?

Metal expanders gradually apply gentle pressure to the upper jaw, encouraging the bones to widen over time. This process creates more space for proper tooth alignment and can correct issues like:
- Crossbites: When the upper teeth fit inside the lower teeth.
- Overcrowding: When there isn’t enough space for permanent teeth to come in.
- Narrow Palates: Ensuring proper jaw development for balanced facial symmetry.
The treatment typically involves turning a small key to adjust the expander as directed by Dr. Yang. This step-by-step process is simple, effective, and carefully monitored to ensure optimal results.
Benefits of Metal Expanders
Metal expanders offer a range of benefits for orthodontic patients, including:
- Improved Bite Alignment: Corrects crossbites and other bite issues.
- Creates Space: Reduces the need for tooth extractions by making room for permanent teeth.
- Supports Jaw Growth: Promotes balanced development of the upper jaw.
- Shorter Treatment Time: In some cases, using an expander can reduce the length of overall orthodontic treatment.
What to Expect During Treatment
If a metal expander is recommended for you or your child, here is an overview of the treatment process:
- Consultation: Dr. Yang will evaluate your orthodontic needs and determine if a metal expander is the right choice.
- Custom Fitting: Impressions or 3D scans will be taken to design a device tailored to your mouth.
- Placement: The expander is securely placed in the mouth during a quick and painless appointment.
- Activation: You will be given instructions on how and when to adjust the expander at home.
- Monitoring: Regular checkups at our Redwood, CA orthodontic office ensure the treatment is progressing as planned.
Why Choose Yang Orthodontics?
At Yang Orthodontics, we combine advanced technology, compassionate care, and personalized treatment plans to meet the unique needs of each patient. Dr. Yang and our dedicated team are committed to making your orthodontic journey comfortable and successful.
Whether you’re considering a metal expander for your child or seeking information about other orthodontic treatments, we’re here to help. Contact our team today and take the first step toward a healthier, more confident smile!