TY - GEN AU - Jia,Q AU - Gao,X AU - Fu,M TI - [Mandibular drift-orthodontics after first premolar extraction] SN - 1002-0098 PY - 1995///0724 KW - Adolescent KW - Cephalometry KW - Female KW - Humans KW - Image Processing, Computer-Assisted KW - Male KW - Malocclusion, Angle Class I KW - surgery KW - Malocclusion, Angle Class II KW - Mesial Movement of Teeth KW - Molar KW - Orthodontics KW - methods KW - Tooth Extraction N1 - Publication Type: Journal Article ER -