5 Stories

Dental Clinic May Have Exposed Kids to Deadly Bacteria

7 hospitalized after pulpotomies at Children's Dental Group

(Newser) - At least seven children have contracted a dangerous bacterial infection after a procedure at an Anaheim dental clinic—and 500 others could potentially have it, health officials say. Seven children have been hospitalized with oral cellulitis, an infection that can spread to gum and bone, after a routine pulpotomy or... More »

New Fillings Can Repair Teeth From the Inside

They stimulate stem cells to regrow dentin: scientists

(Newser) - Imagine a world without root canals. It's possible with what the UK's Royal Society of Chemistry calls "a new paradigm for dental treatments." Scientists at Nottingham and Harvard universities say they've developed dental fillings that stimulate stem cells to regrow and heal damaged teeth. Researcher... More »

How the Sugar Industry Meddled With Cavity Research

Study of 40-year-old papers compares sugar, tobacco industries

(Newser) - Perhaps the sugar industry isn't so sweet after all: A new study finds not only did the industry know sugar caused tooth decay as early as 1950, it pushed to keep the idea of limiting sugary snacks and beverages from National Institute of Health guidelines throughout the 1960s and... More »

Doctors Find Extra Tooth in Guy's Nose

Saudi man's extra tooth was giving him nosebleeds, report says

(Newser) - Doctors had strange news for a 22-year-old Saudi man who came in complaining of a nosebleed or two every month: He had a half-inch mass of bone in his nose, LiveScience reports. After consulting with dentists, the doctors decided he had a tooth in his nasal cavity and extracted it... More »

Ancient Relatives of Humans Ate Wood

Scientists analyzed dental tartar in fossils

(Newser) - Did our ancestors eat trees? New fossil evidence shows that a 2 million-year-old relative of humans nibbled on bark and leaves, reports BBC . Scientists analyzed the teeth of two members of the "southern ape" species, or Australopithecus sediba, and found evidence that they included wood in their diet. More »

5 Stories