Orthodontist said I had these features, am I cooked or no?

[Jackiavelli]

Hypo-divergent mandible

Severe overjett

Inadequate maxillary interior.
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If I don’t mew I look recessed and chopped, mewing is saving me but lmk.

 

[User7]

Cooked but it's fixable

 

[Jackiavelli]

Cooked but it's fixable

How do I fix

 

[pio]

How do I fix

surgery and orthodontic intervention combined with proper posture and diet