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Study the Effect of Upper Expansion Appliances on Lower Jaw Forward Projection/Growth

RecruitingNAAges 9 Years - 11 YearsAllUniversity of Alberta
NCT03286569 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

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.

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Class II skeletal due to lower jaw backward projection 2. Class II malocclusion 3. Early mixed dentition (all first permanent molars erupted, as well as all erupting upper and lower permanent incisors) Exclusion Criteria: 1. Other orthodontic treatment provided 2. Growth problems (craniofacial syndromes, etc.)
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What it tests

  • Upper arch Wilson quadhelex appliance
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Where

1 site
University of Alberta
Edmonton, Canada
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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