This invention provides a toothbrush comprising:a.) a support member of the handle typeb.) at least one brushing member mounted to rotate on said support member about an axis of rotation (X-X′), and having side surface that extends along the axis of rotation between a proximal end facing towards the support member, and an opposite, distal end, and that is designed to be brought into contact with the teeth for the purpose of cleaning them andc.) a physiological retractor covering said side surface in part so as to protect the mucous membranes adjacent to the teeth from the mechanical action of the brushing memberSaid toothbrush being characterized in that, facing the side surface of the brushing member, the physiological retractor has a retraction portion.
