A hydraulic tooth cleaner includes an upper tooth mold and a lower tooth mold respectively configured for attaching to the users upper teeth and lower teeth, and a water press detachably connectable to nozzle tubes in a downward tooth groove in the upper tooth mold and an upward tooth groove in the lower teeth mold and controllable to supply a compressed fluid into the upper tooth mold and the lower tooth mold to clean the users upper teeth and lower teeth.
