The tooth movement efficiency of different orthodontic thermoplastics for clear aligners

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100051184

Enrollment

Unknown

Registered

2021-09-15

Start date

2021-11-15

Completion date

Unknown

Last updated

2022-08-08

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

Conditions

Malocclusion

Interventions

PETG group:Clear aligners of PETG

TPU group:Clear aligners of TPU

Eligibility

Sex/Gender

All

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1. Adult patients, aged 18-30 years; 2. Permanent dentition, the first molar of the upper and lower and the anterior teeth are not missing; 3. Angle Class I malocclusion, the crowding of dentition <= 4mm; 4. Patients who are able to wear aligners as required time.

Exclusion criteria

Exclusion criteria: 1. Allergic to orthodontic thermoplastics; 2. Patients need to have orthognathic (jaw) surgery; 3. With symptoms or signs of temporomandibular joint disorders; 4. With systemic diseases.

Design outcomes

Primary

Measure	Time frame
the efficiency of orthodontic tooth movement;	—

Secondary

Measure	Time frame
pain level;	—

Countries

China

Contacts

Public ContactZhao Bingjiao

Shanghai Stomatological Hospital, Fudan University

joyce_zhao_ortho@fudan.edu.cn+86 21 34060225

Outcome results

None listed

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