TY - GEN AU - Fontana,Mattia AU - Cafagna,Alessandra AU - Cozzani,Mauro TI - Modified Cast-Metal Haas-Type Expander for Correction of Impacted Upper First Molars in the Mixed Dentition SN - 0022-3875 PY - 2016///0310 KW - Child KW - Dental Alloys KW - chemistry KW - Dentition, Mixed KW - Female KW - Humans KW - Male KW - Molar KW - pathology KW - Open Bite KW - therapy KW - Orthodontic Appliance Design KW - Orthodontic Extrusion KW - instrumentation KW - Palatal Expansion Technique KW - Tongue Habits KW - Tooth, Impacted N1 - Publication Type: Case Reports; Journal Article ER -