Observation modification and blood flow changes of periodontal ligament during orthodontic tooth movement using color ultrasound Doppler technique

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100054143

Enrollment

Unknown

Registered

2021-12-09

Start date

2021-12-12

Completion date

Unknown

Last updated

2022-11-07

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

Conditions

Oral and maxillofacial deformities

Interventions

Group 2:orthodontic treatment with 50g force

Group 1:orthodontic treatment with 150g force

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. People aged 10-44; 2. Male and female subjects; 3. Dislocation deformity patients.

Exclusion criteria

Exclusion criteria: 1. Patients with poor oral hygiene, periodontitis, missing teeth or tooth extraction; 2. History of previous trauma, history of blood disease or medical conditions affecting blood vessels; 3. Smoking; narrow dental arch, severe crowding of posterior teeth (premolars with buccal and palatal inclination), crowding degree> 2mm.

Design outcomes

Primary

Measure	Time frame
vessels index;width of periodontal ligment;mean velocity;resistance index;Vol flow;	—

Secondary

Measure	Time frame
blood vessel diammeter;	—

Countries

China

Contacts

Public ContactWu Tingting

Stomatological Hospital of Anhui Medical University

226318513@qq.com+86 15156683363

Outcome results

None listed

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