Frictionless mechanics
Sponsors
Cairo University, Future University in Egypt
Conditions
Bimaxillary ProtrusionEn-masse Retraction , Class I Bimaxillary Protrusion
Unknown Phase
Friction Versus Frictionless Mechanics During Maxillary En-masse Retraction in Adult Patients
NCT03261024
Start: 2017-11-30End: 2019-01-31Target: 30Updated: 2017-08-24
Evaluation of the Rate of Anterior Segment Retraction Using Two Types of Mechanics
CompletedNCT04892056
Start: 2019-02-01End: 2020-12-15Updated: 2021-05-19