How long will it take for my molar tooth to grow back?

i am 15 and my first molar tooth never came out but my dentist said that there was a tooth under my first molar so she pulled it out it was easy to come out but will it grow back it's been a few weeks my tooth had a long root on it i am hoping it wasn't my adult tooth i will be really mad at that ugly woman i don't think she knew what she was doing i believe she was being hateful that day she didn't even listen to what my mom was trying to tell her she was a fake too playing that ugly ploy acting nice attitude. so will it grow back she said i'll need braces and i want them but how can i without my molar? it's irritating to eat without my tooth