Bad teeth in children

What happens or names of things that can happen to children teeth at a young age if not being treated really well

They can rot and fall out!

what other things can happen to them

I think if they are really bad then they can affect their adult teeth underneath.

When I was a baby, my parents lived in a small town with too much flouride in the public water. My siblings and I had calcified teeth that had to be replaced with crowns.

certain antibiotics given to young kids can turn their teeth yellowish
improper brushing can lead to the same types of problems in kids as they can in adults
like decay, cavities, gingivitis

they just screw up really bad like rotting and discoloration and you have 2 get crowns and teeth pulled...id go 2 a dentist asap

I lived in alabama and they had to much flouride in the water and I got brown spots all over my teeth and I had to get them fixed because it messed up my adult teeth and it cost 18,000$. But my teeefys are pretty now.