Abstract: Aiming at the problems of low efficiency, expensive equipment, and limited accuracy in traditional contact measurement of medium modulus gears, this paper proposes a non-contact gear ...

Tooth enamel erosion is when the protective enamel on your teeth wears away, causing it to become thinner and weaker than it should be. This makes your teeth more likely to get stained and feel ...

If you’ve ever tried to brush your dog’s teeth, you’re well aware that it’s a challenging endeavor at best. But looking after your pup’s dental health has other benefits apart from keeping dog breath ...

Blacktip Reef Shark at Sealife Oberhausen, where teeth used in the study were collected. Credit: Max Baum. A leading cause of a declining pH value in the world’s oceans is human CO2 emission. As more ...

Every electric toothbrush will clean your teeth, but some come with extra features and accessories that can bump up the price. To find the models with the best cleaning power, we thoroughly tested the ...

The TV personality, 37, who is competing in this year's glitzy ballroom series with professional dancer Kai Widdrington, 30, revealed how she got injured as they practised a 'spicy lift.' She also ...