TY - GEN AU - Browne,C C AU - Sutton,D I AU - Twesme,D A TI - Convertible Haas-type rapid palatal expander SN - 0022-3875 PY - 1991///1205 KW - Humans KW - Orthodontic Appliances, Removable KW - Palatal Expansion Technique KW - instrumentation N1 - Publication Type: Journal Article ER -