I don't know what to do

Monday my 2 years old fell from the bed while he was asleep and knocked out one of his front tooth. I know its really horrible and it shouldn't have happened.

My SO/ his dad had not made the situation better, although it can't be better. Because come on he won't get back that tooth for now. I totally take all the blame and I've been so hard on myself since. Tbh i feel like I've been traumatized, i can't function without breaking down. The fact that i always lay with him while he naps but the one time i decided to sit in the couch a little by myself something bad had to happen.

He fell from the bed and busted him lip and knocked his tooth out. I took him to the doctor right away, then 2 days after i took him to see the dentist. He's on antibiotics and pain meds. So far he's healing quite well.

Its been so hard for me, i keep on wishing if i could turn back time and the fact that am not able to hurts so much i break down each time. I love my little boy to death and i would've never done anything to harm him. Even though this is bad i still thank god that it wasn't his eye and something that he wouldn't be able to get back.

My SO brings me down with every chance he get. I know that he hate me right now. and i understand because i hate me too. but he keeps on demanding me to fix our son now and saying how his boy looks ugly without his tooth, he want me to put dentures in his mouth. I understand that the whole situation is mess up. But i just dont know what to do at this point. I just cant stop crying.

If you reach this far thank you for reading. I know its all over the place.