Dental researcher improves a device to help cleft-palate patients avoid surgery

Oct 01, 2010
Tarek El-Bialy has improved a device that will help stretch the constricted upper arch in the mouth of a child who has a cleft palate.

(PhysOrg.com) -- Children with cleft palates may no longer need invasive jaw-widening surgery as an adult.

Tarek El-Bialy, an associate professor of in the Faculty of Medicine & Dentistry at the University of Alberta, has spent eight years updating materials and making precise adjustments adding to a dental device that will help stretch the constricted upper arch in the mouth of a child who has a cleft palate. If people with the condition can’t have their arches widened enough while they are growing, then they are highly likely to undergo major, corrective jaw-widening surgery as an adult, where the upper arch is cut, widened and then sewn back together.

“With this new device, we are hoping that people with cleft palates and constricted upper arches won’t have to get this surgery anymore,” says El-Bialy.

Devices currently used are put inside the upper arch, which prevents the tongue from resting against the . The tongue needs to rest against the teeth because this action helps support that part of the mouth from pressure from the cheek muscles. If the tongue can’t rest against the teeth, it causes the upper arch to become even more constricted which exacerbates the situation for people with cleft palate. Because current expansion devices leave no room for the tongue, people using them usually develop mouth breathing, which in turn may lead to respiratory problems and other dental-related issues.

El-Bialy’s device, which is protected by a patent, is instead put on the outside of the teeth in the upper arch. He says the apparatus which will stretch the upper arch, will do a better job of controlling teeth movement and won’t interfere whatsoever with the tongue.

Ryan Roesinger, 15, who has a , says people with constricted upper arches will have a much better quality of life.

“It means a life with fewer surgeries and a life with less pain,” he said. “I’m very excited.”

Clinical trials will be required before the El Bialy’s expansion device can be sold to patients. TEC Edmonton, the exclusive commercialization agent for the University of Alberta, has filed a patent application for the device and is working with El-Bialy to find a company that can fund trials and get the device to market.

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