18 WITH BRACES ?!?

Hey so basically I'm 15 turning 16 in September, ive always been self conscious and never ever smile because the two teeth on my top row next to my front teeth are higher up so when I smile my teeth look awful :( the rest of my teeth are fine but I've always HATED this

My parents are super busy and always forget to try and book me orthodontist appointment as they don't really care

But I'm determined to do it now

I'm really embarrassed as it can last from 18 months to over 2 years

So that means I will be 18 with braces how embarrassing

Does anyone have any advice ??