Shanghai Stomatological HospitalXinhua HospitalZhongshan HospitalShanghai Jiao Tong University School of MedicineFudan UniversityHyperdivergent skeletal class II malocclusionmandibular retrognathiaChinese Clinical Trial Registryconventional anterior teeth retraction
…lel-controlled trial. Ninety adolescents will be recruited from Shanghai Stomatological Hospital, Zhongshan Hospital (Fudan University), and Xinhua Hospital (Sh…