We do know how bad teeth were a century ago. There's even evidence that humans several thousands of years ago didn't have as many cavities as we do today becaus

We do know how bad teeth were a century ago. There's even evidence that humans several thousands of years ago didn't have as many cavities as we do today because of their diet. I'm not in a position to give you advice, but be very careful with your teeth. A tootache can lead to an infection that if not treaded may kill you.