CompletedNot Applicable

Miniscrews as Anchorage Device for Orthodontic Treatment

Sweden80 participantsStarted 2009-11

Plain-language summary

The purpose of this trial is to study and compare two different anchorage techniques. Adolescent patients in need for orthodontic treatment are randomized into Group A and B. Both groups are treated with extractions of the maxillary first premolars and fixed appliance. Anchorage is reinforced by miniscrews in Group A and by molarblock in Group B. The hypotheses are: * that placement of miniscrews does not cause more pain or discomfort than premolar extractions * that molarblock provides increase of anchorage * that miniscrews have a better anchorage capacity than molarblock * that miniscrews are more cost-efficient than conventional anchorage techniques

Who can participate

Age range11 Years – 20 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Adolescents in need of orthodontic treatment with fixed appliance including extractions of the maxillary first premolars * Need for Anchorage reinforcement * Permanent dentition including the maxillary second molars in occlusion (DS4M2 according to Björk) * Regular dental care in Sweden since the age of three. Exclusion Criteria: * Experience of previous orthodontic treatment * Need for orthognathic surgery * Need for maximum anchorage.

What they're measuring

Change in Tooth Position of the Maxillary Molars During Space Closure

Timeframe: Through Space Closure (T2-T3), an average of 9 months

Trial details

NCT IDNCT02644811

SponsorRegion Gävleborg

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2018-07

View on ClinicalTrials.gov More Orthodontic Anchorage Procedures trials