Colgate-Palmolive, an American consumer-goods giant, has taken up an invention by a pair of experts in super-slippery surfaces to produce toothpaste tubes that promise to deliver every last scrap of their contents.
Fluoride is often added to bottled and tap water to prevent cavities and this is in addition to the fluoride that's added to toothpaste and mouthwash and provided at dentist offices.
She now relies on pre-pasted disposable toothbrushes that she keeps in her desk, floss she keeps in the living room and a no-rinse prescription toothpaste.