Dental appliance

Patent Pending PROBLEM TO BE SOLVED: To provide a dental appliance which improves efficiency of removing impurity such as tooth coating, scale inside the peridontal pocket. ; SOLUTION: The appliance is provided with an optical beam generator 2 for generating optical beams of single or a plurality of wavelengths, a tank 3 filled with an oxidizing agent, and a nozzle 6 internally provided with a light guide path for guiding the optical beams of single or a plurality of wavelengths generated by the optical beam generator 2 and an oxidizing agent guide path for guiding the oxidizing agent supplied from the tank 3.