Our Ancestors Had Straight Teeth. What Happened?
We know that in the history of mankind, rotten teeth came about because in the abundance of the modern world we consume a lot more sugars and starches than our ancestors did. But what about crooked teeth? They weren't so...
https://www.neatorama.com/2023/05/03/Our-Ancestors-Had-Straight-Teeth-What-Happened/