Dental maxillofacial deformity
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) the patient was diagnosed as bony malocclusion; (2) surgery procedures for bilateral mandibular sagittal split operation team (as sagittal split ramus osteotomy, BSSRO) and Lefort-I osteotomy; (3) aged 18-35 years; (4) patients sign informed consent.
Exclusion criteria
Exclusion criteria: (1) patients with systemic diseases; (2) patients with cleft lip and palate or jaw deformity secondary to facial trauma.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fitting difference of bone segments before and after operation; | — |
Countries
China
Contacts
West China College of Stomatology, Sichuan University