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A randomized controlled trial for the effects of clear aligner in aligning arches

Clinical study on the effects of clear aligner in aligning arches

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000035427
Enrollment
Unknown
Registered
2020-08-10
Start date
2020-09-01
Completion date
Unknown
Last updated
2020-08-17

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

Conditions

Malocclusion

Interventions

Group 1:Clear aligner
Group 2:Fixed aligner

Sponsors

Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Aged >18 years; 2. Bimaxillary arch protrusion, ANB < 4 degree, dentally; 3. Be able to understand and cooperate to complete the treatment.

Exclusion criteria

Exclusion criteria: 1. Once had orthodontic treatment; 2. Patients with moderate to severe periodontal disease; 3. Cleft lip and palate patients; 4. Patients with temporomandibular disorders; 5. Patients who need functional appliances; 6. Infectious and/or systemic diseases; 7. Patients with dental fluorosis and enamel hypoplasia; 8. Patients with porcelain teeth and implant teeth; 9. Patients who cannot complete the treatment process due to various factors and cannot be followed up regularly.

Design outcomes

Primary

MeasureTime frame
PAR;—

Secondary

MeasureTime frame
Esthetic and comfort;—

Countries

China

Contacts

Public ContactXiaogang Pan

Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine

xgpan70@126.com+86 13651650984

Outcome results

None listed

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