Anterior crossbite in mixed dentition patients Anterior Crossbite, Mixed Dentition, Invisalign First System, Removable Acrylic Plates, Treatment Effect, Oral health-related quality of life, Cost-effectiveness
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients in mixed dentition stage, 2. Dental anterior crossbite (at least one permanent maxillary incisor) or functional shift, 3. Absence of skeletal Class III pattern (ANB angle > 1.2), if a functional shift is present, the ANB angle will be measured in the CR position., 4. Mild or moderate crowding in the maxillary arch (up to 4 mm), 5. Anterior crossbite exceeds 1/3 of clinical crown height., 6. No posterior crossbite, 7. Non-extraction treatment plan, 8. No history of prior orthodontic treatment
Exclusion criteria
Exclusion criteria: 1. Patients with craniofacial syndromes and malformations, including cleft lips and palates., 2. Mentally impaired children or children with disabilities to understand the questionnaire., 3. Lack of willingness from parents and patients to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| treatment effect at pre-treatment, post-treatment, retention 1 year overjet, overbite, labiolingual tipping effect of maxillary incisors, arch depth, arch length, and molar relationship | — |
Secondary
| Measure | Time frame |
|---|---|
| Other outcomes atpre-treatment, 1 month, 3 months, post-treatment, and at 1-year follow-up. treatment duration, success rate, emergency visits, missed school days, oral health-related quality of life, cost-effectiveness | — |
Countries
Thailand
Contacts
Orthodontics department, faculty of dentistry