A dental appliance removal tool is provided with one or more booster tubes each having a pressure-actuated expandable distal portion or cushion which, when inserted between a gum line and an implant-supported denture and connected to a supply of pressured fluid, expands radially to increase the circumference of the cushion and apply pressure to the gum line and denture to loosen or release the denture from an implant or the like. The tool may have an actuation mechanism such as a lever arm which applies pressure to a fluid chamber in communication with the booster tube, causing the cushion to expand, or a manually operated fluid pump or other pressurized fluid supply may be connected to the booster tube or multiple booster tubes to expand the cushion or cushions.
