Medical Devices and Medical Equipment Design CORE Tooth Brush by Tiberio Maffeo CORE is a design that synthesises the whole process of daily oral care. The toothbrush is provided with a reservoir layer of silicone inside which is a gel toothpaste. Pressing the "heart" the gel comes out from the head through a duct. It is designed to heal oral hygiene during trips or at work because the charge takes about 3 days and can be removed and refilled.