Did ancient teeth decay?
ASK AN EXPERT: Is tooth decay just a modern affliction? Read the answer and have your say.
View ArticleSilk the key to rebuilding bone
Silkworms and spiders could hold the key to engineering healthy bone tissue to replace damaged bone and teeth, according to a US biomedical engineer.
View ArticlePlasma torch could disinfect teeth
The world's smallest plasma torch could one day make root canal treatment faster, less painful and reduce the chance of infection, say experts.
View ArticleIllness prevention under the spotlight
NEWS ANALYSIS: A damning report on Australia's health system, which calls for greater attention to preventative health, has been welcomed by public health experts.
View ArticleSoundwaves may find early dental decay
Soundwaves could soon be used to identify the early stages of decay, a process that often relies on the use of painful and damaging probes, say Australian researchers.
View ArticleDental researcher
ACE DAY JOBS: Nathan Cochrane fights tooth decay. Watch Ace Day Jobs to find out about why he is passionate about dental health.
View ArticleCan chewing gum help prevent tooth decay?
FACT BUSTER: Does chewing gum really helping to protect your teeth? Or is it just a bad habit that annoys those around you?
View ArticleGreen tea may strengthen your teeth
A cup of green tea a day may keep the dentist away, according to new research from Japan.
View ArticleFluoro tattoos and ultrasonic toothbrushes
DR KARL ON TRIPLE J: Are there fluorescent ink tattoos that can only be seen under black light? What are ultrasonic toothbrushes and do they work? Why does it get colder as the sun rises?
View ArticleTeething toddlers down in mouth
GREAT MOMENTS IN SCIENCE: Is there a link between teething and serious infant illness? Dr Karl wraps his laughing gear around the latest research to get to the tasty tid-bits.
View ArticleDental x-rays linked to brain tumours
People who get regular dental x-rays are more likely to suffer a type of brain tumour, according to new research.
View ArticleJapanese tooth patch may reduce decay
Scientists have created a microscopically thin film that can coat individual teeth to prevent decay or to make them appear whiter.
View ArticleTooth decay bacteria evolved as diet changed
PALEOLITHIC DIET: Mesolithic hunter-gatherers living on a meat-dominated, grain-free diet had much healthier mouths that we have today, with almost no cavities and gum disease-associated bacteria, a...
View ArticleAlligator's smile holds clues to new teeth
NEW TEETH NEWS: American alligators could help to revolutionise tooth replacement in humans, suggests a new study.
View ArticleNeanderthal tooth reveals breastfeeding history
NEANDERTHAL MOTHERING: The debate on how long to breastfeed now has a Neanderthal spin with analysis of a fossilised tooth suggesting primitive mothers breastfed exclusively for just seven months.
View ArticleRotten teeth mar athletes' dreams
DENTAL HEALTH: Top athletes are often dogged by decaying teeth and gum disease, a performance-sapping problem in which sports drinks, high-carb diets and training regimes may play a part, say sports...
View ArticleOldest-known dentistry found in 14,000-year-old tooth
ANCIENT TOOTH DECAY: An infected tooth partially cleaned with flint tools represents the oldest known dentistry, according to a new international study on a 14,000-year-old molar.
View ArticleWisdom teeth: are we removing them more often than needed?
BITING QUESTION: Taking out wisdom teeth when you don't need to costs Australians millions of dollars say experts.
View ArticleTooth enamel may have evolved from ancient fish scales
HARD EVIDENCE: The enamel that gives our teeth their bite evolved from the scales of ancient fish that lived more than 400 million years ago, suggests fossil and genetic evidence.
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