maxillary skeletal expanders

  • Maxillary transverse deficiency (narrow upper jaw) is a highly prevalent orthodontic problem present in all age groups. For children and early teens with this narrow upper jaw, it can easily be widened with a palatal expander as their upper jaw is in two pieces and not fully fused in the middle.       
  • For mature patients and adults, however, a palatal expander will result in unwanted flaring of posterior teeth instead of skeletal expansion. Typically, adults with a narrow upper jaw with bite problems were subjected to an invasive surgical procedure – surgically-assisted rapid palatal expansion (SARPE) – to correct this condition.       
  • With Maxillary Skeletal Expander (MSE), these patients can forgo surgery with the use of 4 TADs in the palate. Developed by one of Dr. Peter Lee’s mentor Dr. Won Moon from UCLA Orthodontics, MSE offers a non-invasive way of correcting maxillary transverse deficiency for patients who were previously told that they would need surgical intervention.

Patient Reviews

absolutely love the amazing staff here! Everyone is so friendly and welcoming and I always leave feeling satisfied with my smile 🙂 special thank you to Tanya and the hygienist who made my visit a 10/10 today!

Jessica B. (Verified Patient)


The dentist and the staff are friendly and personable. We really appreciate all of their patience and kindness.

Mireya S. (Verified Patient)


God must have blessed me, because I had nothing but a heavenly experience at Embrace Dental. Dr. Christina Lee has divine fingers that gracefully glide over the surface of my Hellish teeth. The angelic staff only deserve high praise for their glorious staff skills. This dental office is literally Eden.

Andy L. (Verified Patient)



more services


Patients can personalize their braces with color ties, making each appointment more fun.

Phase I Treatment

Through an early orthodontic evaluation, you will be giving your child the best opportunity for a healthy, beautiful smile!

Adolescent Treatment

It is easier to treat many orthodontic problems during adolescence because jaw growth is happening rapidly at this time.


Invisalign clear aligners are made from smooth, high-quality plastic that are custom-fitted to your mouth.

Adult Treatment

With the advancements in technology and various treatment options available, an increasing number of adults are seeking orthodontic treatment today.

Temporary Anchorage Devices

TAD’s are small, screw-like dental implants that function to provide a stable anchorage when achieving teeth movement.

Maxillary Skeletal Expanders

For late teens and adults with a narrow upper jaw, this appliance can achieve skeletal expansion.


After orthodontic treatment is finished, a custom-made removable or fixed retainer will be made to help teeth maintain their new position.

Emergency Care

Please contact us as soon as possible if you are experiencing a dental emergency

Hours of Operation

10:00am – 6:00pm

10:00am – 6:00pm

We are closed

1:00pm – 7:00pm

10:00am – 6:00pm

8:00am – 2:00pm

We are closed


Drop Us a Line

Don’t be shy. Let us know if you have any questions!
(562) 630-7777

12009 Garfield Avenue South Gate , CA 90280