Air-water spray gun for dental department

The utility model provides an air-water spray gun for the dental department. The air-water spray gun comprises a nozzle, a spray head, a handle, an air pipe and a water pipe, wherein the handle is internally provided with a heating assembly comprising a heating rod, a temperature controller and a heat storage body; both the air pipe and the water pipe pass through the heat storage body; the heating rod is embedded into the heat storage body; and the temperature controller is arranged on the heat storage body and is connected with the heating rod. According to the air-water spray gun for the dental department, provided by the utility model, the handle is internally provided with the heating assembly, and the heating assembly is used for heating a liquid in the air pipe and the water pipe after being electrified, so that the liquid sprayed from the nozzle has a certain temperature, and a certain effect on protecting the oral cavity of a patient can be achieved. No additional heating equipment and operation are needed, so that the cost is reduced.