Twinges can be a sign that teeth are vulnerable, due to enamel loss or gum recessionn. With its small angled head, soft outer bristles and inner twisting bristles, the new Sensodyne Complete Protection toothbrush is suitable for people with sensitive teeth. For cleaning your teeth and gums, we recommend twice daily brushing with Sensodyne Complete Protection toothpaste and toothbrush. Push brush handle towards you to open. It is recommended that toothbrushes are replaced every 3 months.