The influence of clasp design on twin block appliances outcome - a prospective randomised, controlled clinical trial
Completed
- Conditions
- Oral Health: OrthodonticsOral HealthOrthodontics
- Registration Number
- ISRCTN45965219
- Lead Sponsor
- Record provided by the NHS Trusts Clinical Trials Register - Department of Health (UK)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 52
Inclusion Criteria
1. Patients aged 11-15 years
2. Added May 2008: with Class II division 1 malocclusion suitable for functional appliance therapy. The overjet had to be greater than 6mm and ANB angle greater than 4°.
Exclusion Criteria
Added May 2008:
Patients with congenital syndromes, obvious asymmetry and prior appliance therapy were excluded.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Added May 2008:<br>Angulation of the long axis of the upper incisor to the maxillary plane, as measured from a lateral cephalometric radiograph.
- Secondary Outcome Measures
Name Time Method Added May 2008:<br>1. Angulation of the long axis of the lower incisor to the mandibular plane<br>2. Skeletal relationship as measured by angle ANB