My jaw pain and my face very skinny after braces and smile not good? (Photos)

I ago my braces off 2 year ago but I not wear retainer my ortho didn't tell me about retainer and after 2 year my teeth relapse I go back to ortho he gave me retainer for upper teeth only and after one month wear retainer my face changes my smile not good and my jaw not relaxed my face bone show I only wear retainer for one month after relapse but my teeth now look straight but when I open my mouth my front teeth forwar and lower jaw backward...

No doctor answers yet