Research on 10,000-year-old birch tar samples from Mesolithic Scandinavia indicates that hunter-gatherers likely had poor oral health, with a high probability of gum disease and…
Posts published in “Teeth”
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A study from Tokyo Medical and Dental University reveals that the oral pathogen Porphyromonas gingivalis can hinder heart muscle repair after a heart attack, suggesting…
A juvenile Edmontosaurus disappears into the enormous, lipped mouth of Tyrannosaurus. Credit: Mark Witton A recent study challenges the depiction of predatory dinosaurs like Tyrannosaurus…
A juvenile Edmontosaurus disappears into the enormous, lipped mouth of Tyrannosaurus. Credit: Mark Witton A new study challenges the long-held belief that large theropod dinosaurs,…
Obstructive Sleep Apnea (OSA) is a common sleep disorder that affects millions of people worldwide. It is characterized by repeated cessation of breathing during sleep,…
Dental enamel defects are abnormalities that affect the structure and integrity of the enamel, the hard, protective outer layer of the teeth. These defects can…
Archaeolemur skull showing a large and robust anterior dentition. Credit: Ian Towle Fascinating clues to the evolution of humans have been revealed through the analysis…
A first molar from a Neanderthal, which was analyzed for this study. Credit: © Lourdes Montes For the first time, zinc isotope ratios in tooth…
Tooth loss alone was linked to a 13% higher risk of dementia. New research indicates tooth loss and poor periodontal health could raise the risk…
The origin of Assateague’s wild horses has remained a mystery for centuries, but new genetic data supports the theory that they descended from Spanish horses…
It’s important to take care of your teeth, otherwise, you may be spending a lot of time and money at the dentist. It’s easy to…
Researchers analyzed zinc isotopes in teeth and discovered that great white sharks make have contributed to the extinction of megalodon. Scientists investigated the diet of…
A close-up of the tooth from a ‘birds-eye’ viewpoint. Credit: Fabrice Demeter (University of Copenhagen/CNRS Paris) Denisovans, a sister species of modern humans, inhabited Laos…
A hunt gone wrong! Artistic reconstruction of Otodus megalodon feeding upon an ancient swordfish ~11 – 3.7 million years ago. A puncture injury to the…
Koshima Island macaque (left) and Neandertal (right), both upper central incisors showing large vertical scratches. Credit: Ian Towle and John C. Willman. A study into…
Side of mouth: Early signs of chalky teeth include creamy-brown patches (pictured) or extra-white spots on the teeth. Credit: The D3 Group A blood protein…
A new bleaching gel whitened tooth samples by six shades, using a low level of hydrogen peroxide (12%). Credit: Adapted from ACS Applied Materials &…
Fossil Dental Exams Reveal How Tusks Evolved – Originated in “Very Weird Animals” Called Dicynodonts
Life reconstruction of the dicynodont Dicynodon. Aside from the tusks in the upper jaw, most dicynodonts possessed a turtle-like beak that they used to chew…
Jomon teeth vs Native American teeth. Credit: G. Richard Scott, University of Nevada Reno Latest scientific findings suggest the ancestral Native American population does not…
Ant mandibles pack a powerful bite, thanks to embedded atoms of zinc. Credit: Robert Schofield | University of Oregon Atomic-scale imaging reveals tiny animals use…