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Study the Effect of Upper Expansion Appliances on Lower Jaw Forward Projection/Growth
Sponsor: University of Alberta
Summary
Young children with backward positioned lower jaw/chin will be recruited to have an upper jaw expansion appliance. Previous research showed that the use of similar appliances can lead to lower jaw forward growth. 60 young children aged 9-11 will be recruited to have either active or non-active Wilson type upper arch expansion appliance. Patients will have special x-ray (Cone Beam computed tomography) before and after treatment (after 9 months) of starting the treatment. After participation, routine orthodontic treatment will be continued.
Key Details
Gender
All
Age Range
9 Years - 11 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2019-04-01
Completion Date
2027-02-01
Last Updated
2026-01-07
Healthy Volunteers
Yes
Conditions
Interventions
Upper arch Wilson quadhelex appliance
Upper arch Wilson quadhelex appliance
Locations (1)
University of Alberta
Edmonton, Alberta, Canada