The Collis Curve Soft brush is a gentle brush designed to increase circulation in the gum line area by its lightly massaging action. Ideal for carers and brushers with a limited range of motion. Indications for use include; sensitive gums; gums bleed upon brushing; post-operative conditions; and a first time user of the curved bristle. A growing number of chemotherapy patients are beginning to use it too as it has proved to be ideal for them. This is a good brush to use until the gums are in a healthy condition, at which point a Medium bristle will give you a more positive feeling of massage. Bristle diameter 0.007″ tim height: adult length 15/32″.