Keeps the tongue safely protected and isolated while maintaining an open field, letting patients relax during long procedures. Solid silicone bite blocks feature a slight compressible, open-cell design with non-slip tooth channels. Removable, interchangeable tongue guards can be used on right or left side. All components are autoclavable to 275°F. Set includes one small(yellow), one medium(pink), and one large(green) prop with 3 left and 3 right tongue guards.