That's wrong. Her bottom teeth are all baby teeth. And those fall out first starting around the age of five. I've been a pre K teacher for over 12 years and sent home endless zip lock bags of bottom encisors ( i know that sounds gross). But kiddos would come in with wiggly bottom tooth and lose it during lunch/snack/or messing with it….
That girl is under 5,6 at the most. Still too old for diapers , but she's not 7,8 … Js