UnknownNot Applicable

Study to Measure the Effect of Part Time Versus Full Time Orthodontic Appliance Wear

United Kingdom62 participantsStarted 2013-12

Plain-language summary

The aim of this study is to assess skeletal (bone) and dental (teeth) changes occurring following wear of a twin block functional appliance (removable brace which postures the lower jaw forward to improve a discrepancy between the upper and lower jaw) for differing time periods.

Who can participate

Age range11 Years – 14 Years

SexALL

See this in plain English?

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

Inclusion Criteria: * Class II div 1 malocclusion(upper front teeth lying more forward than lower front teeth with upper front teeth proclined), * Overjet(horizontal difference between upper and lower front teeth) measuring minimum of 7mm, * Male subjects 12--14 years at the start of treatment, * Female subjects 11--13 years at start of treatment, * Willingness of the patient and parent to participate in the study. Exclusion Criteria: * No previous orthodontic treatment * No relevant medical history or craniofacial syndrome

What they're measuring

remaining overjet measured with an orthodontic ruler

Timeframe: outcome measure will be assessed after 12 months appliance wear and after a 3 month relapse period

Cephalometric Changes

Timeframe: Outcome will be assessed after 12m of appliance wear and after 3 months of settling.

Trial details

NCT IDNCT02190630

SponsorQueen Mary University of London

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2017-07

View on ClinicalTrials.gov More Class II Division 1 Malocclusion trials