Skeletal Malocclusion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged from 7 to 12 years old (inclusive), with no restriction on gender. 2. Diagnosed with skeletal malocclusion through clinical examination and cephalometric measurement (ANB 4.7°). 3. No prior history of orthodontic treatment. 4. Absence of underlying systemic diseases, such as hypertension, diabetes, heart disease, and immune disorders. 5. Both the children and their legal guardians voluntarily participated in this study and signed informed consent forms.
Exclusion criteria
Exclusion criteria: 1. Patients with facial asymmetry. 2. Patients with hereditary or systemic diseases (e.g., rheumatoid arthritis) that affect jaw growth. 3. Patients with severe periodontal disease or temporomandibular joint disorders (including pain, clicking sound, and mouth opening limitation). 4. Patients with allergies to experimental materials (such as resin). 5. Patients who planned to move out of the local area during the study period and could not complete follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Growth of the maxilla and mandible; | — |
Secondary
| Measure | Time frame |
|---|---|
| Total Growth Increment of Maxilla and Mandible;Changes of Upper Airway Volume;Assessment of Mental Health and Behavioral Status;General Physical Growth and Development Assessment; | — |
Countries
China
Contacts
Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine