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Interceptive Maxillary Expansion to Relief Anterior Crowding in the Mixed Dentition

RecruitingNAAges 6 Years - 16 YearsAllRegion Örebro County
NCT06187337 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The goal of this clinical trial is to compare if it is better to treat severe anterior crowding in the early mixed dentition then later in the permanent dentition in children with anterior crowding of the upper teeth. The main questions this trial aims to answer are: * If there is a difference in the degree of anterior crowding between the experimental group and the control group after a five year follow-up period. * If there is a difference between the experimental group and the control group in regard to oral health related quality of life. * If there is spontaneous transversal adaption of the lower dental arch to upper dental arch after maxillary expansion and compare this to the control group. * If early maxillary expansion is more cost-effective than treatment in the permanent dentition. To be eligible for this trial the subject must be children between six and nine years old at t

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📋 Eligibility rules (as published)
Inclusion Criteria: * Healthy subjects without sucking habits * Permanent maxillary central incisors and first permanent molars fully erupted. DS1M1. * No severe crowding or protrusion in the lower arch considering the Leeway space and normal development of the arch. * Permanent first molar in normal transversal relation. * Crowding of the maxillary incisors with the lateral incisor just erupting ectopically or not yet emerged through the gingiva. * Crowding greater than or equal to 6 millimeters between the upper deciduous canines. Exclusion Criteria: * Skeletal asymmetries, anomalies and syndromes. * Previous orthodontic treatment
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What it tests

  • Maxillary expansion device
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Where

4 sites
Postgraduate School of Orthodontics, University of L'Aquila
Coppito, Italy
Universita Degli Studi Di Milano
Milan, Italy
The Institute for Postgraduate Dental Education in Jönköping
Jönköping, Sweden
Emil Östlund
Örebro, Sweden
🤝 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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