#$%^&*AU2017201890B120170525.pdf#####27 5 Abstract 10 A cleaning device 50 for cleaning a removable dental appliance 12 is described. The device 50 comprises a rotatable upper cleaning brush 14 comprising a plurality of downwardly protruding bristles 16 for cleaning an upper surface of a removable dental appliance. The device also comprises a lower dental appliance holder 18 for holding the dental appliance 12 and 15 which is used in connection with the rotatable upper cleaning brush 14 to limit movement of the dental appliance 12 relative to the rotatable upper cleaning brush 14 wherein, in use, a cleaning action can be applied to the dental appliance 12 by rotating the rotatable upper cleaning brush 14 relative to the dental appliance. The cleaning device 50 further comprises a 20 casing connector 30 for temporarily rotatably interconnecting the rotatable upper cleaning brush 14 and the lower dental appliance holder 18 so as to form a single integrated unit when assembled. Drawings to accompany Abstract: Figures 2(a) and 2(d) 25