None
Conditions
Interventions
Labial Fixed Appliance Treatment Group:None
Invisible Aligner Treatment Group:None
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
Female
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1.Chinese, Han ethnicity, female; 2.Aged 18-40 years; 3.Angle Class I or II malocclusion, with ANB angle between 0° and 6°; 4.Vertical skeletal pattern classified as normodivergent, with MP-SN angle between 27° and 37°; 5.BMI within 18.5-23.4 kg/m²; 6. All subjects volunteered to participate in the study and provided written informed consent.
Exclusion criteria
Exclusion criteria: 1.Severe maxillomandibular skeletal asymmetry or open bite deformity; 2.History of maxillofacial trauma, surgery, orthodontic treatment, or tooth extraction; 3.Maxillofacial soft tissue developmental defects or soft tissue asymmetry >5 mm; 4.Clinically significant temporomandibular joint disorders; 5.Significant BMI change (>1.5 kg/m²) during the study period;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Three-dimensional Morphological Changes of Temporal and Buccal Soft Tissues; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vertical Skeletal Pattern Changes; | — |
Countries
China
Contacts
Public ContactZhuoxing Xiao
Peking University Hospital of Stomatology
Outcome results
None listed