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A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
A61C17/16—Power-driven cleaning or polishing devices
A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
