FAQ: Rapid maxillary expander

1,781 View

A Rapid Palatal Expander (RPE) is an upper appliance that places pressure on the upper jaw (maxilla) by turning a midline screw. The pressure separates the mid palatal suture thus making the maxilla wider, which can correct crossbites and creat space. RPEs are used often to correct posterior crossbites.

FAQ: Rapid maxillary expander

Q: What is a crossbite?

A: A crossbite is when the teeth come together but either inside or totally outside their correct positions. The most common crossbite occurs when the top back teeth are inside the lowers usually on one side only.

Rapid maxillary expander

Q: How can a crossbite be rectified?

A: In the most commonoccurring crossbite, the upper tooth arch can be widened.

Q: What is a Rapid Maxillary Expander?

A: A Rapid Maxillary Expander is a brace which is fixed to the upper teeth. It has a screw in the middle of the palate.

Q: How does the Rapid Maxillary Expander work?

A: The screw in the middle of the brace is turned twice daily for two weeks. This very quickly expands the upper jaw.

Rapid maxillary expander

Free Consultation.png

Q: Will it hurt?

A: There is some discomfort for the first two or three days. This can be controlled with paracetamol or your preferred pain relief.

Q: How long will the Rapid Maxillary Expander need to be in place?

A: The Rapid Maxillary Expander will need to be worn for a minimum of three months.

Q: Will there be any permanent damage?

A: The fixed brace expander is not in place long enough to cause any damage. It will be replaced with a removable retainer after 12 weeks.

Poor cleaning and too many fizzy drinks, however, can cause permanent decay marks around the fixings. The importance of thorough brushing and the use of a fluoride mouthwash cannot be emphasised enough.

Rapid maxillary expander

Q: Is the treatment permanent, or will I need additional future treatment?

A: The correct use of the removable retainer for 12 months after the Rapid Maxillary Expander has been replaced will usually ensure the improvement is permanent.

Appointment Booking

The information provided in this article is for reference and educational purposes only. Nhan Tam Dental Clinic does not provide diagnoses or treatment plans through website content. Please visit our doctors for a direct examination and consultation.

Vo Van Nhan

DDS, PhD

Vo Van Nhan

Chief Medical Officer of Nhan Tam Dental Clinic – with nearly 30-year experience and thousands of successful clinical cases. He directly establishes the standards and guarantees the quality of all services across the system. He is also an international speaker and a medical scientist with numerous globally published research works.

View more ›