conventional anterior teeth retractionShanghai Stomatological HospitalXinhua HospitalZhongshan HospitalShanghai Jiao Tong University School of MedicineHyperdivergent skeletal class II malocclusionmandibular retrognathiaFudan UniversityChinese Clinical Trial Registry
…1) to the test or control group. The control group will receive conventional anterior teeth retraction, whereas the test group will receive a micro-implant-assisted v…