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The study of the effect of Maxillary Skeletal Expander on the transverse stability of segmental Le Fort ? osteotomy

The study of the effect of Maxillary Skeletal Expander on the transverse stability of segmental Le Fort ? osteotomy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500106662
Enrollment
Unknown
Registered
2025-07-28
Start date
2025-08-11
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Maxillary transverse deficiency

Interventions

MSE group:placement of MSE for fixation and maintenance
Traditional group:Traditional fixation method

Sponsors

Peking University Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1.Age 18-35; 2.CBCT measurement: 3mm = maxillary and mandibular arch width difference (mandibular-maxillary) <= 6mm; 3.Proposed segmental Le Fort ? osteotomy+BSSRO;

Exclusion criteria

Exclusion criteria: 1.Maxillary hypoplasia secondary to cleft lip and palate; 2.Moderate or severe periodontitis; 3.Previous orthognathic surgery; 4.Tumor, trauma-induced maxillofacial deformity; 5.Systemic condition with contraindications to surgery; 6.Inability to cooperate with the follow-up visit;

Design outcomes

Primary

MeasureTime frame
Recurrence of maxillary width;—

Countries

China

Contacts

Public ContactLiu Xiaojing

Peking University Hospital of Stomatology

user_nancy@163.com+86 186 1132 1616

Outcome results

None listed

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