20
Participants
Start Date
August 20, 2017
Primary Completion Date
August 1, 2018
Study Completion Date
August 1, 2019
i-PRF
i-PRF (injectable platelet rich fibrin) assisted upper canine retraction
canine retraction
upper canine retraction will be performed in one side of patients with Class II Division 1 malocclusion patients requiring therapeutic extraction of the maxillary first premolars
Damascus University, Damascus
Damascus University
OTHER