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??The therapeutic efficacy of clear aligners combined with maxillary protraction in treating skeletal Class III malocclusion during the mixed dentition stage??

??The therapeutic efficacy of clear aligners combined with maxillary protraction in treating skeletal Class III malocclusion during the mixed dentition stage??

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104762
Enrollment
Unknown
Registered
2025-06-23
Start date
2025-07-31
Completion date
Unknown
Last updated
2025-06-30

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

Conditions

Skeletal Class III Malocclusion

Interventions

Exposed group:None
Non-exposed group:None

Sponsors

West China Hospital of Stomatology, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
7 Years to 12 Years

Inclusion criteria

Inclusion criteria: 1.?? Age 7–12 years??, in the ??mixed dentition phase?? (with at least ??4 permanent incisors erupted??); ??2. Diagnosis of skeletal Class III malocclusion?? (ANB angle <= -1°, Wits appraisal <= -3 mm); 3. ??Complete pre- and post-treatment lateral cephalograms and CBCT scans?? available; 4. ??No congenital craniofacial anomalies or temporomandibular joint (TMJ) disorders??.

Exclusion criteria

Exclusion criteria: ??1.Missing data exceeding 20%?? of key variables; ??2. Treatment protocol deviations??, including: Mid-treatment ??switch to alternative therapies??. ??Non-completion?? of the prescribed clear aligner/facemask regimen.

Design outcomes

Primary

MeasureTime frame
ANB angle;SN-MP angle;—

Countries

China

Contacts

Public ContactXinqi Huang

West China Hospital of Stomatology, Sichuan University

xinqi_huang@163.com+86 139 8001 0541

Outcome results

None listed

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