platelet rich fibrin in orthognathic surgery

Phase 3

• Conditions: skeletal class III deformity.; Other congenital deformities of skull, face and jaw; Q67.4

• Registration Number: IRCT20190429043413N1
• Lead Sponsor: Shahid Beheshti University of Medical Sciences

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 26 August 2019

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

patients with skeletal class III deformity candidate for maxillary advancement

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

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
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 Outcome Measures

Name	Time	Method
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.