TOOTHBRUSH WITH LEAF SPRING FOR ENSURING CORRECT PRESSURE

摘要

A toothbrush (1) is described which is designed to suddenly cause a reduction of the brush contact pressure of the brush head (2) on a tooth and/or gum surface when the toothbrush user applies excessive force to the toothbrush, and wherein the pressure reduction is effected b a spring device (5) having a curved cross-section, and wherein the toothbrush is made of a first, rigid plastic material and optionally a second, elastically yielding plastic material.