23
Participants
Start Date
April 1, 2019
Primary Completion Date
April 20, 2021
Study Completion Date
May 1, 2021
Extrusion arch
one couple force system is applied; a custom-made extrusion wire from 0.016x0.022 stainless steel wire with helical bends placed 2-5 mm mesial to the molar tube placed in the upper and lower arches and tied distal to the lateral incisors
Alexandria faculty of Dentistry, Alexandria
Alexandria University
OTHER