Except that adult teeth are formed in the womb at 6 weeks. Even though it's rather grim, look at pictures of a child's skull. They have their baby teeth, and directly above are the adult teeth, hidden within the jaw bones. If modern people are developing crooked teeth which require braces, and ancient peoples didn't have that problem, then something modern is causing it. The consensus is that it's sugar.

Except that adult teeth are formed in the womb at 6 weeks. Even though it's rather grim, look at pictures of a child's skull. They have their baby teeth, and directly above are the adult teeth, hidden within the jaw bones. If modern people are developing crooked teeth which require braces, and ancient peoples didnt have that problem, then something modern is causing it. The consensus is that it's sugar.