Oral and Craniofacial Surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) subjects aged 18 years or older, regardless of gender; (2) patients with skeletal class III malocclusion caused by developmental factors who were scheduled for orthognathic treatment with maxillary and mandibular surgery.
Exclusion criteria
Exclusion criteria: (1) patients with craniomaxillofacial syndrome and cleft lip and palate; (2) patients who had received orthognathic surgery and were treated with reoperation this time; (3) patients with craniomaxillofacial tumors and craniofacial deformities secondary to trauma; (4) patients who needed maxillary or mandibular segmental surgery; (5) patients whose Spee curve depth was greater than 3 mm; (6) Patients with extensive soft tissue defects caused by surgery and insufficient soft tissue coverage of the wound after surgery; (7) Patients with radiation osteomyelitis, acute and chronic osteomyelitis, and osteoporosis; (8) Patients with mental illness; (9) Patients who are unable to cooperate with the treatment; (10) Patients who are in critical condition and are difficult to make a definite evaluation of the effectiveness and safety of implants; (11) Participated in other clinical trials within 3 months.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| accuracy of the jaw after treatment;treatment time; | — |
Secondary
| Measure | Time frame |
|---|---|
| patient satisfaction;Number of orthodontic return visits;Cost; | — |
Countries
China
Contacts
Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine