The present invention relates to an interdental brush (21) comprising: a spine of twisted wire (23)； bristles (24) projecting from the spine of the twisted wire； a protective tip (10) at the end of the twisted wire above the said bristles characterized 5 in that the protective tip comprises a ductile cover (11) enveloping the end of the twisted wire, molded and attached to the end of the wire and centered around the end of the wire； the said ductile cover having a plurality of protrusions (12) is dome shaped at the closed end (14) and chamfer shaped at the bristle end (16).
