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Multidisciplinary evaluation of individualized clear aligner for severe skeletal class II malocclusion in functional orthodontic treatment and periodontal disease orthodontic treatment

Multidisciplinary evaluation of individualized clear aligner for severe skeletal class II malocclusion in functional orthodontic treatment and periodontal disease orthodontic treatment

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200064138
Enrollment
Unknown
Registered
2022-09-27
Start date
2023-01-01
Completion date
Unknown
Last updated
2023-04-17

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

Conditions

Severe skeletal class II malocclusion

Interventions

A:Clearn aliger functional treatment
B:Twin block
C:Analysis of bacterial metabolites of clear aligner functional treatment
D:Analysis of bacterial metabolites of Twin block functional treatment
E:Analysis of bacterial metabolites of clear alinger treatment
F:Analysis of bacterial metabolites of fixed appliances

Sponsors

Wu Xiaomian
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
2 Years to 60 Years

Inclusion criteria

Inclusion criteria: Topic 1: Review the natural age of 9-14 years old, teeth age of IIIB-IIIC, and adolescents with skeletal class II malocclusion from 2015 to now, who have used transparent appliances for individualized functional correction. Inclusion criteria: 1. The peak period of puberty is accompanied by severe skeletal type II; 2. No orthodontic history; 3. The tooth age is IIIB-IIIC; 4. ANB > 4 before treatment; 5. Natural age 9-14. Topic 2: Paired study. From January 2023 to December 2024, adults with skeletal class II malocclusion used transparent appliances for individualized functional correction. Inclusion criteria: 1. Adult patients with severe skeletal type II; 2. No orthodontic history; 3. ANB > 4 before treatment.

Exclusion criteria

Exclusion criteria: Topic 1: Exclusion criteria: 1. Accompanied with serious system diseases; 2. Mental disorders; 3. Unable to cooperate with treatment due to learning and other reasons; 4. Unable to take care of themselves and maintain oral hygiene; 5. Patients unable to return on schedule. Topic 2: Exclusion criteria: 1. Accompanied with serious system diseases. 2. Mental disorders. 3. Unable to cooperate with treatment due to learning and other reasons. 4. Unable to take care of themselves and maintain oral hygiene. 5. Patients unable to return on schedule.

Design outcomes

Primary

MeasureTime frame
ANB angle;airway;Plaque metabolite, etc;—

Countries

China

Contacts

Public ContactXiaomian Wu

The Affiliated Hospital of Stomatology, Chongqing Medical University

wuxiaomian898@163.com+86 15823166266

Outcome results

None listed

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