If you've ever had a window seat on a plane, you might have noticed a tiny hole at the bottom of each windowpane. But what's ...

By Howard Whiteman Murray State University It was an odd place for a hummingbird nest, but there it was. I typically think ...

Purple martins roost in large numbers of hundreds of thousands of individuals to prepare for their annual migration to South ...

A 2023 randomized controlled trial in the Journal of Dentistry found that the bulk-fill base technique reduced procedure time ...

Fluoride improves tooth enamel, making teeth more resistant to cavities and decay. That’s especially important for children who are still growing and often don’t have the best oral health habits.

Programs delivering fluoride varnish in schools significantly reduce cavities in children. That is a key finding of our recently published study in the American Journal of Preventive Medicine.

“That small cavity in childhood leads to serious dental work in adulthood,” he later said. “It’s like cancer — we are trying to prevent it before it happens.” ...

It is a clear liquid applied directly into a cavity using a small brush. It takes only seconds and requires no drilling, no needles or costly, complicated equipment. SDF works in two ways.

Learn how to spot, prevent and treat cavities, which are damaged tooth areas caused by decay. Get tips from medical organizations on symptoms, causes and best practices for oral care.