Status:

RECRUITING

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

Lead Sponsor:

University of Alberta

Conditions:

Overbite (Excessive) Horizontal

Eligibility:

All Genders

9-11 years

Phase:

NA

Brief 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 for...

Detailed Description

Previous research showed that the use of upper jaw expansion appliances can lead to lower jaw forward growth (1). 60 young children aged 9-11 with backward positioned lower jaw/chin will be recruited ...

Eligibility Criteria

Inclusion

  • Class II skeletal due to lower jaw backward projection
  • Class II malocclusion
  • Early mixed dentition (all first permanent molars erupted, as well as all erupting upper and lower permanent incisors)

Exclusion

  • Other orthodontic treatment provided
  • Growth problems (craniofacial syndromes, etc.)

Key Trial Info

Start Date :

April 1 2019

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 1 2027

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT03286569

Start Date

April 1 2019

End Date

February 1 2027

Last Update

January 7 2026

Active Locations (1)

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Page 1 of 1 (1 locations)

1

University of Alberta

Edmonton, Alberta, Canada, T6G 2R3