Specific teeth are needed to do age analysis, depending on the species. The lower premolar 4, shown here, is the tooth for fishers and similar small narnivores. Credit: Matson's Lab—Courtesy Sign up ...

"With a tooth extractor - just like the one your dentist uses - you can pop that little tooth out of there in 5 to 10 seconds. I doubt the bear even knows that little tooth is missing." Large ...