From arthritis to carpal tunnel, many people have conditions that make brushing a pain. For people with dexterity and grip issues, the act of holding a thin toothbrush and carefully brushing their teeth can be a challenge, a pain, or an impossibility. Designers from the global brand consultancy Landor & Fitch see this as a design problem that results in the potential alienation of the estimated 360 million people worldwide with dexterity challenges.Read Full Story