#$%^&*AU2015100651A420150611.pdf#####ABSTRACT An orthodontic appliance (10) including: an appliance body (12) for mounting over the upper arch, the appliance body including an inner wall (14) that is positioned on a lingual side of the upper arch and an outer wall (16) that is positioned on a buccal side of the patients upper arch, a web (18) interconnecting the inner wall and the outer wall, the inner and outer walls each have an upper portion that projects above the web so as to define an upper dental arch receiving channel and the inner and outer walls each have a lower portion that depends below the web that defines a lower dental arch receiving channel wherein the upper portion of the inner wall defines a tongue opening (40) for consciously receiving the tip of patients tongue, the upper portion of the inner wall being configured such that when the tip of the patients tongue is received, the tip will be located adjacent the anterior palate. FIGURE 11031 /4 /73 16 12 48 51 321 35~ 18 FI&21
