Oral Health Oral Health
Conditions
Interventions
2 appliance systems (Twin Block and Dynamax)
Sponsors
Record Provided by the NHSTCT Register - 2005 Update - Department of Health (UK)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 200 patients awaiting treatment on orthodontic waiting lists to be allocated into one of the two groups. Inclusion criteria: 1. Class II division 1 malocclusion on a skeletal II base 2. Madibular retrongnathia contributing to the skeletal II base 3. Minimum overjet of 7mm 4. Male caucasians aged 12-14 years by Jan 1st 2003 5. Female caucasians aged 10-13 years by Jan 1st 2003 6. No history of orthodontic treatment 7. No permanent tooth extractions 8. No relevant medical history
Exclusion criteria
Exclusion criteria: If patients don't fit in to the inclusion criteria defined above then they were not included in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Hard tissue changes from lateral cephalo mexric radiograph taken at start and end of treatment. 2. Soft tissue changes from 3D laser scans taken during treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| Not provided at time of registration | — |
Countries
United Kingdom
Outcome results
None listed