Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak. Read on to learn more ...
ACTON, Australia, Sept. 30 (UPI) --Scientists believe a 400 million-year-old fish fossil holds clues to the evolutionary origins of human teeth. Upon excavation, it wasn't clear whether the ancient ...
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Why don't teeth count as bones?
At first glance, teeth look a lot like bones: Both are hard, white and rich in calcium. So why aren't teeth considered part of the skeletal system? Even though teeth and bones share a few basic ...
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