Maxillary transverse deficiency
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients diagnosed with maxillary transverse deficiency by both the Pennsylvania transverse analysis and the Yonsei transverse analysis; 2. Cervical vertebral maturation (CVM) stage >= 5 according to the CVM method; 3. Treatment plan includes miniscrew-assisted rapid palatal expansion (MARPE); 4. No other orthodontic interventions during the expansion phase (e.g., facemask protraction); 5. Good oral hygiene; 6. Non-smokers.
Exclusion criteria
Exclusion criteria: 1. Cleft lip and/or palate or other craniofacial anomalies; 2. Previous orthodontic treatment and/or orthognathic surgery; 3. Uncontrolled gingivitis, periodontitis, gingival recession, or alveolar bone loss; 4. Missing or impacted first permanent molars; 5. Metabolic bone disease or other systemic disorders; 6. Inability or unwillingness to cooperate with MARPE; 7. Refusal to participate in the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Midpalatal suture separation;Interdental distance change;Basal bone width change; | — |
Secondary
| Measure | Time frame |
|---|---|
| Nasal cavity width change;Craniofacial landmark changes;Anterior-posterior changes in the frontozygomatic angle (FZA), frontoalveolar angle (FAA), and frontodental angle (FDA);Airway change(minimum cross-sectional area);Patient-reported pain; | — |
Countries
China
Contacts
School & Hospital of Stomatology, Wuhan University