Teeth

Whether it’s smartphones, cameras or MP3 players, it probably goes without saying that most consumer electronics are designed for maximum user convenience ... that doesn’t always end up being the case, but it is at least the intention. The Wayki is somewhat unique, however, in that it’s specifically designed to force the user into doing two things that they’d rather put off: getting out of bed, and brushing their teeth. That’s right, it’s a combination alarm clock and toothbrush.  Read More

When a dentist drills out the decayed section of a tooth that has a cavity, it’s important that they also remove the bacteria that caused the decay in the first place – or at least, that they remove as much of it as possible. If they don’t, the bacteria can get reestablished, causing the filling to fail. Now, scientists from the University of Maryland’s School of Dentistry have developed a new cavity-filling system that they say will not only kill virtually all residual bacteria, but also help the tooth to regrow some of the tissue that was lost to decay.  Read More

A graphene sensor effectively tattooed onto a tooth can be used to detect bacteria and so wirelessly monitor oral health, research has shown. Graphene printed onto water-soluble silk can be "bio-transferred" onto organic materials such as tooth enamel. By incorporating antimicrobial peptides and a resonant coil, individual bacteria cells can be detected without need of an onboard power supply or wired connections.  Read More