Malocclusion, Angle Class II
Conditions
Brief summary
Comparison of orthodontic patients treated with aligners and traditional (clear braces)
Detailed description
Patients were selected based on being adults and having mild Class I malocclusion. They were randomly allocated into either the aligner group and the traditiona (clear braces group).. The aligner group was treated with invisalign, with up to two adjustments at the end of treatment. The traditional group had clear braces placed on their teeth. The outcome variables including the following: 1) pain and discomfort related to treatment, 2) posttreatment occlusal status, and 3) postretention occlusal status.
Interventions
OTHERAligners
Clear aligners
OTHERClear braces
Clear braces
Sponsors
Texas A&M University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Investigator, Outcomes Assessor)
Intervention model description
Randomized RCT
Eligibility
Sex/Gender
ALL
Age
17 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
1. Class I molar and canine relationships 2. Non-extraction treatments 3. Mandibular crowding of 4 mm or less 4. No missing tooth (from second to second molar)
Exclusion criteria
1. Anterior or posterior crossbites 2. Anterior or lateral open bites 3. Maxillary overjet exceeding 3mm 4. Impacted tooth
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Occlusal changes | up to 6 months | Differences in occlusion between the two groups |
Countries
United States
Outcome results
None listed