Effectiveness of Aligners Versus Rapid Maxillary Expansion (NCT04760535) | Clinical Trial Compass
CompletedNot Applicable
Effectiveness of Aligners Versus Rapid Maxillary Expansion
Italy40 participantsStarted 2019-01-15
Plain-language summary
Aim of the study is to assess the effectiveness of Invisalign® First clear aligners compared to tooth-borne Hyrax-type maxillary expander on palatal morphology in growing subjects using 3D technology.
Who can participate
Age range6 Years – 10 Years
SexALL
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Inclusion Criteria:
* patients who have been diagnosed with transverse maxillary deficiency;
* mixed dentition phase with cervical vertebral maturation stage (CVMS) less than 4;
* fully erupted upper and lower first molars;
* transversal discrepancy ≤5mm
* demonstration of a good standard of oral hygiene (determined through questioning and clinical examination);
* subjects willing to consent to the trial and comply with the trial regime.
Exclusion Criteria:
* any general medical health problems which may influence gingival health, such as those necessitating antibiotic cover as bacteremia prophylaxis, diabetes mellitus, epilepsy, or physical or mental disability;
* permanent teeth extraction-based treatment (third molars excluded);
* morphologic crown anomalies;
* auxiliary treatment during arch expansion stage (such as crossbite elastics);
* posterior interproximal reduction;
* orthognathic surgery treatment planned;
* cleft palate or severe facial deformities.