bimaxillary protrusion &non-crowding group:orthodontic treatment
Sponsors
Stomatology Hospital of Peking University, Stomatology hospital of Peking university
Conditions
malocclusion
Unknown Phase
Three-dimensional evaluation of changes in the anterior alveolar bone by orthodontic extraction treatment
Active, not recruitingChiCTR-OOB-16007838
Start: 2016-02-15Updated: 2017-04-18
Three-dimensional evaluation for changes in the anterior alveolar bone by orthodontic extraction treatment
RecruitingChiCTR1900023632
Start: 2019-06-01Updated: 2019-06-11