skeletal class III deformity. Other congenital deformities of skull, face and jaw
Conditions
Interventions
Intervention 1: Intervention group: patients who undergo lefort I osteotomy for maxillary advancement. in this group, after osteotomy, maxilla was fixated in appreciate position by 4 plates. 10cc bloo
but not received platelet rich fibrin on osteotomy line.
Sponsors
Shahid Beheshti University of Medical Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: patients with skeletal class III deformity candidate for maxillary advancement
Exclusion criteria
Exclusion criteria: patients who need maxillary setback patients with previous cleft lip or palate who need orthognatic surgery patients with history of radiation on head and neck or bisphosphonate therapy or any systemic diseases that affected on bone healing
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amount of skeletal relapse at vertical dimension. Timepoint: immediately after surgery, 6 to 12 months after surgery. Method of measurement: measurement of point A to sella-nasion (SN) line change.;Amount of skeletal relapse at horizontal dimension. Timepoint: immediately after surgery, 6 to 12 months after surgery. Method of measurement: measurement of point A to sella-nasion (SN) perpendicular line change. | — |
Secondary
| Measure | Time frame |
|---|---|
| Amount of maxillary movement after surgery at horizontal dimension. Timepoint: before surgery, immediately after surgery. Method of measurement: measurement of point A to sella-nasion (SN) perpendicular line change.;Amount of maxillary movement after surgery at vertical dimension. Timepoint: before surgery, immediately after surgery. Method of measurement: measurement of point A to sella-nasion (SN) line change. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactPedram Bakhshaei
Shahid Beheshti University of Medical Sciences
Outcome results
None listed