The present invention refers to a water supply nozzle for oral hygiene and, in particular, to a nozzle or pick to be mounted on a water supply system for oral hygiene that comprises a head for the dispensing of water jets that alternate and converge at one point, in association with cleaning bristles. The nozzle preferably comprises an internal venturi duct for the passage of water that is connected externally through an air intake hole for the mixing with water.
