Pre-bent Distractor Combined With Augmented Reality to Transfer Distraction Vector in Maxillary Lefort I DO

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200062941

Enrollment

Unknown

Registered

2022-08-24

Start date

2022-04-30

Completion date

Unknown

Last updated

2023-04-12

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

Conditions

Craniomaxillofacial deformity

Interventions

AR+Pre-bending group:The position of distractor is determined by the assistantance of AR surgical naivigation

Pre-bending group:The position of distractor is determined by the shape matching of footplate and bone surface

Eligibility

Sex/Gender

All

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Patients with maxillary hypoplasia; 2. Patients older than 18 years of age; 3. The maxillary advancement is greater than 5mm.

Exclusion criteria

Exclusion criteria: 1. Patients who refused to participate in this study; 2. Patients with bilateral maxillary bone block separation due to cleft palate accompanied by alveolar cleft; 3. Patients with maxilla defects caused by trauma and tumor.

Design outcomes

Primary

Measure	Time frame
distraction vector;	—

Secondary

Measure	Time frame
distraction result;distractor position;	—

Countries

China

Contacts

Public ContactXuanping Huang

Stomatological Hospital affiliated to Guangxi Medical University

hxp120@126.com13217803276

Outcome results

None listed

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