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A Clinical Application Study of Customized Lingual System

A Clinical Application Study of Customized Lingual System

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-ONB-17013261
Enrollment
Unknown
Registered
2017-11-06
Start date
2011-12-12
Completion date
Unknown
Last updated
2017-11-13

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

Conditions

Malocclussion

Interventions

Upper first molar extraction group:Single palatal force application
Upper first molar extraction group:Labial and palatal force application

Sponsors

Peking University School and Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 31 Years

Inclusion criteria

Inclusion criteria: 1. permanent dentiton; 2. upper first premolar extraction; 3. lingual orthodontic appliance

Exclusion criteria

Exclusion criteria: 1. moderate and severe periodontitis; 2. congenital missing teeth; 3. systematic diseases

Design outcomes

Primary

MeasureTime frame
Width of Dental Arch;Cephalometric analysis;—

Countries

China

Contacts

Public ContactYanheng Zhou

Peking University School and Hospital of Stomatology

yanhengzhou@vip.163.com+86 010-82195333

Outcome results

None listed

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