Study on condylar movement trajectory in patients with malocclusion and joint symptoms

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000034723

Enrollment

Unknown

Registered

2020-07-16

Start date

2020-10-01

Completion date

Unknown

Last updated

2020-07-20

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

Conditions

temporomandibular disorders

Interventions

Angel Class ? malocclusion with TMD:Nil

Angel Class ? malocclusion without TMD:Nil

individual normal occlusion without TMD:Nil

individual normal occlusion with TMD:Nil

Eligibility

Sex/Gender

All

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1. Young patients (18-30 years old) and volunteers who visited the orthodontic department of our hospital before treatment; 2. Permanent teeth, no supernumerary teeth, no missing teeth (except third molars); 3. Patient's informed consent and cooperation.

Exclusion criteria

Exclusion criteria: 1. Oral mucosa ruptures or is in the inflammatory stage 2. Orthodontic treatment is being performed or has been performed 3. With a history of maxillofacial trauma, orthodontic and orthodontic treatment, periodontal disease, or adverse repair and filling; 4. Mental disorder, systemic immune system disease or metabolic disease; 5. Obvious restriction of opening (<3.7cm); 6. Acute temporomandibular joint inflammation or pain.

Design outcomes

Primary

Measure	Time frame
Displacement of condyle;	—

Countries

China

Contacts

Public ContactChunxiang Zhang

Tianjin Stomatological Hospital

zhang_chunxiang@sina.com+86 15802283107

Outcome results

None listed

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