Dental tray cleaner is used to remove alginate, wax, zinc oxide eugenol paste, gypsum, and other dental materials from instruments such as metal and plastic dental impression trays. Some tray cleaners can also be used to dissolve dried blood and to flush and deodorize dental evacuators. Frequently, a dental tray cleaner comes in a powder that can be dissolved in a container of water. The instruments are allowed to soak until the material adhering to them softens or dissolves. The instruments can then be scrubbed or placed in an ultrasonic cleaner.
EPR Industries and Keystone Industries manufacture tray cleaner.