Effect of rapid maxillary expansion combined with face mask on maxillofacial soft tissue

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100046937

Enrollment

Unknown

Registered

2021-05-31

Start date

2021-06-01

Completion date

Unknown

Last updated

2022-01-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Skeletal III malocclusion with maxillary hypoplasia

Interventions

Treatment Group:rapid maxillary expansion and facemask protocol

Eligibility

Sex/Gender

All

Age

7 Years to 13 Years

Inclusion criteria

Inclusion criteria: 1. In patients with Class III, the anterior teeth have reverse occlusion or contrabite; 2. ANB <= 0 degree; 3. Coben analysis method showed insufficient maxillary development; 4. Cervical spine staging before CVS3, at and before the peak of growth and development; 5. BMI< 30kg/m^2; 6. No cleft lip or palate, no history of orthodontic treatment, no systemic system diseases, severe craniofacial deformities and temporomandibular joint disorders.

Exclusion criteria

Exclusion criteria: 1. Three types of skeletal mandibular hyperplasia; 2. Can not cooperate to complete the treatment.

Design outcomes

Primary

Measure	Time frame
Three-dimensional direction change of landmark points;Line spacing change;Angle change;	—

Countries

China

Contacts

Public ContactHu Min

Hospital of Stomatology, Jilin University

humin@jlu.edu.cn+86 13944938198

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026