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A bidirectional cohort study on the growth and development characteristics and recurrence factors of patients with anterior crossbite

A bidirectional cohort study on the growth and development characteristics and recurrence factors of patients with anterior crossbite

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112993
Enrollment
Unknown
Registered
2025-11-21
Start date
2024-12-12
Completion date
Unknown
Last updated
2025-11-24

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

Conditions

Crossbite

Interventions

Skeletal crossbite group:none
Non-skeletal crossbite group:none

Sponsors

Peking University School of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
4 Years to 18 Years

Inclusion criteria

Inclusion criteria: Skeletal anterior teeth crossbite: 1. Bone age staging is CS1-CS6, aged 4-18 years old; 2. ANB angle= 0 degrees, may be accompanied by mandibular retraction; 3. More than 3 anterior teeth are crossbite; 4. No congenital deformities (such as cleft lip and palate deformities, etc.); 5. After examination, the overall condition is good. Class I skeletal malformation: 1. Bone age staging is CS1-CS6, aged 4-18 years old; 2. 0 <= ANB angle <= 4 degrees; 3. The front teeth have normal or mild deep overjet; 4. Due to orthodontic treatment requiring X-ray or CBCT imaging.

Exclusion criteria

Exclusion criteria: 1. Previous history of maxillofacial trauma; 2. Existence of systemic diseases or congenital deformities (such as cleft lip and palate deformities, etc.); 3. Poor compliance, inability to complete treatment and follow-up.

Design outcomes

Primary

MeasureTime frame
Measurement indicators for occlusal features;

Secondary

MeasureTime frame
Patient basic information;Growth and development stage indicators;

Countries

China

Contacts

Public ContactSun Yannan

Peking University School of Stomatology

ynsun2012@126.com+86 10 8219 5816

Outcome results

None listed

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