A toothbrush head comprising: a brush section having a plurality of bristles attached thereon; a stem extending from the brush section, wherein the stem defines an opening therein and a mounting receptacle inside the opening, wherein the stem comprises: one or more mounting ridges on inside wall of the opening; and a coupling member mountable to inside the opening of the stem, wherein the coupling member comprises: a cone body having: an opening configured to receive a drive shaft of an electric toothbrush handle into the coupling member, wherein the cone body flares outward to its opening to form the cone shape, characterised in that the coupling member further comprises a mounting block extending from an outside surface of the cone body and positioned to engage with the mounting receptacle of the stem, and a cylindrical handle coupling section extending coaxially from the smaller end of the cone body wherein the cylindrical handle coupling section has a wall defining an aperture within the wall for receiving the drive shaft, wherein the wall has at least two longitudinal slits and a resilient wall between the two slits, further wherein the resilient wall is positioned to engage with the drive shaft when the drive shaft is inserted into the coupling member. a brush section having a plurality of bristles attached thereon; a stem extending from the brush section, wherein the stem defines an opening therein and a mounting receptacle inside the opening, wherein the stem comprises: one or more mounting ridges on inside wall of the opening; and a coupling member mountable to inside the opening of the stem, wherein the coupling member comprises: a cone body having: an opening configured to receive a drive shaft of an electric toothbrush handle into the coupling member, wherein the cone body flares outward to its opening to form the cone shape, characterised in that the coupling member further comprises a mounting block extending from an outside surface of the cone body and positioned to engage with the mounting receptacle of the stem, and a cylindrical handle coupling section extending coaxially from the smaller end of the cone body wherein the cylindrical handle coupling section has a wall defining an aperture within the wall for receiving the drive shaft, wherein the wall has at least two longitudinal slits and a resilient wall between the two slits, further wherein the resilient wall is positioned to engage with the drive shaft when the drive shaft is inserted into the coupling member. one or more mounting ridges on inside wall of the opening; and a coupling member mountable to inside the opening of the stem, wherein the coupling member comprises: a cone body having: an opening configured to receive a drive shaft of an electric toothbrush handle into the coupling member, wherein the cone body flares outward to its opening to form the cone shape, characterised in that the coupling member further comprises a mounting block extending from an outside surface of the cone body and positioned to engage with the mounting receptacle of the stem, and a cylindrical handle coupling section extending coaxially from the smaller end of the cone body wherein the cylindrical handle coupling section has a wall defining an aperture within the wall for receiving the drive shaft, wherein the wall has at least two longitudinal slits and a resilient wall between the two slits, further wherein the resilient wall is positioned to engage with the drive shaft when the drive shaft is inserted into the coupling member. an opening configured to receive a drive shaft of an electric toothbrush handle into the coupling member, wherein the cone body flares outward to its opening to form the cone shape, characterised in that the coupling member further comprises a mounting block extending from an outside surface of the cone body and positioned to engage with the mounting receptacle of the stem, and a cylindrical handle coupling section extending coaxially from the smaller end of the cone body wherein the cylindrical handle coupling section has a wall defining an aperture within the wall for receiving the drive shaft, wherein the wall has at least two longitudinal slits and a resilient wall between the two slits, further wherein the resilient wall is positioned to engage with the drive shaft when the drive shaft is inserted into the coupling member.