Skeletal class III malocclusion
Conditions
Interventions
Group A:CAD/CAM cutting and drilling guides with prebent titanium plates
Group B:CAD/CAM splints
Group C:acrylic splints
Sponsors
State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) diagnosis of Skeletal Class III Malocclusion; (2) All patients underwent Le Fort I osteotomy and bilateral sagittal split ramus osteotomy (BSSRO), and accepted pre and postoperative orthodontic treatment; (3) aged 18 to 35 years old, without any systematic diseases; (4) Written informed consent was obtained from all patients or their parents before they participated in this study.
Exclusion criteria
Exclusion criteria: (1) presence of systematic diseases; (2) secondary deformity of cleft lip and palate or craniomaxillofacial trauma; (3) operation method includes IVRO; (4) facial asymmetry was a greater than 4 mm menton (Me) deviation from the facial midline.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of deviations between maxillary, mandibular and conlydar landmarks on preoperative simulated virtual positions and actual postoperative result; | — |
Countries
China
Contacts
Public ContactEn Luo
State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University
Outcome results
None listed