Advertisement

Dental

Environment

Toothpaste pods brush away waste

Few people would look at toothpaste tubes as being in need of improvement, until, perhaps, they realize how long they take to decompose and how many get thrown away. Poppits toothpaste, however, doesn't come in a tube, but in waste-free pods that dissolve in the mouth.Read More

Smiling student uses 3D printer to make plastic braces on the cheap

Orthodontics don't tend to mix too well with self-sustaining undergraduate students, whose budgetary extravagances might extend to the odd double serving of instant noodles. But faced with crooked teeth and access to a 3D printer, digital design student Amos Dudley has taken matters into his own hands, straightening out his smile with a set of DIY plastic aligners. Read More

Cavities can't hide from tooth-zapping device

Dental cavities are one of those things where the sooner you catch them, the better. Dentists' visual inspections and x-rays certainly help, but a new hand-held device is designed to detect them even earlier. It's called the Ortek ECD (for Early Cavity Detection), and it hunts cavities using electricity.Read More

Health & Wellbeing

Painless electrical zaps may replace dental anesthesia needles

As much as some people fear getting dental fillings or root canals, what many of them are really afraid of is the needle that delivers the anesthetic into the mouth tissue. Even though the skin in the "jabbing area" is usually pretreated with a topical anesthetic, it can still hurt. Before long, however, a shot of electricity could make that topical treatment deep-acting enough that the needle isn't even needed.Read More

    Advertisement
    Advertisement
    Advertisement

    See the stories that matter in your inbox every morning