Geneva, April 28 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122831) titled 'The effect of PAOO surgery on orthodontically induce external apical root resorption of anterior teeth in maxillary extraction cases - a retrospective study' on April 19.
Study Type: Observational study
Study Design:
Case-Control study
Primary Sponsor: Stomatology Hospital,Zhejiang University School Medicine
Condition:
Malocclusion
orthodontically induced root resorption
alveolar bone defect
Intervention:
negtive control group:None
positive control group:Orthodontic treatment
Recruitment Status: Recruiting
Phase: Retrospective study
Date of First Enrollment: 2025-06-24
Target Sample Size: negtive c...