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Effect of clear aligner-assisted maxillary protraction appliance in the early treatment of skeletal class III malocclusion in the mixed dentition

Effect of clear aligner-assisted maxillary protraction appliance in the early treatment of skeletal class III malocclusion in the mixed dentition

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300078773
Enrollment
Unknown
Registered
2023-12-18
Start date
2024-01-01
Completion date
Unknown
Last updated
2024-01-08

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

Experimental group:Correction using clear aligner-assisted maxillary protraction device.
Control group:Correction using traditional fixed appliance for maxillary protraction,

Sponsors

Stomatological Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
8 Years to 15 Years

Inclusion criteria

Inclusion criteria: ? Mixed dentition; ? Angle Class III malocclusion, and anterior crossbite; ? ANB less than 0°,Wits appraisal less than -2 mm, and maxillary deficiency with or without mandibular overgrowth; ? Before of during growth spurt.

Exclusion criteria

Exclusion criteria: ? Congenital craniofacial anomalies, such as agenesis and cleft lip and palate; ? Facial ? Previous orthodontic treatment; ? Patients or guardians refuse to participate.

Design outcomes

Primary

MeasureTime frame
Maxillary skeletal indicators;Maxillary dental indicators;Mandibular skeletal and dental indicators;Intermaxillary skeletal and dental indicators;Soft tissue indicators;—

Countries

China

Contacts

Public ContactWenjie Zhong

Stomatological Hospital of Chongqing Medical University

wjzhong94@vip.163.com+86 23 8860 2305

Outcome results

None listed

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