System for removing tooth stains by applying enzyme engineering

The invention relates to a system for removing tooth stains by applying enzyme engineering. The system comprises a liquid storage box, the liquid storage box comprises a heating layer and a heat preservation layer, a 0.9% normal saline charging hopper and a dextran charging hopper are arranged on the upper portion of the liquid storage box, and are each provided with a phasing meter, and a water outlet pipe is arranged on the lower portion of the side face of the liquid storage box, and provided with a pump body and an electronic flowmeter. An electric heating wire, the pump body and the electronic flowmeter are all connected with a controller, the controller is further connected with a liquid level sensor and a temperature sensor, the water outlet pipe is connected with a hose, the hose is connected with a handle, and the handle is connected with a spraying pipe. The system is simple in structure, the liquid storage box is provided with a heating layer and a heat preservation layer, the activity of dextranas