Comparative analysis of temporomandibular joint after maxillary protraction in skeletal class III patients

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200056439

Enrollment

Unknown

Registered

2022-02-06

Start date

2022-01-31

Completion date

Unknown

Last updated

2024-09-30

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

Conditions

Skeletal class III malocclusion

Interventions

Late dentition group

early permanent dentition group:maxillary protraction

Eligibility

Sex/Gender

All

Age

10 Years to 14 Years

Inclusion criteria

Inclusion criteria: 1. Anterior teeth overcross and overbite relationship; anterior teeth overcross 2-4 mm after treatment; 2. Concave in profile analysis;could not back to the anterior teeth-to-edge relationship; 3. Skeletal class III malocclusion; lateral cephalometry; ANB 2°after treatment.

Exclusion criteria

Exclusion criteria: 1. Temporomandibular joint disease; 2. Facial deviation; 3. Orthodontic treatment; 4. Cleft lip and palate and other jaw tissue diseases.

Design outcomes

Primary

Measure	Time frame
Dentofacial structure;Temporomandibular joint;	—

Countries

China

Contacts

Public ContactLiu Yafei

the First Hospital of Hebei Medical University

yafei_lyf@sina.com+86 18633889190

Outcome results

None listed

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