Thanks for posting the pictures. Additional information is needed to be specific but it does appear that braces and surgery would be the best corrective measure in your case.
That depends on the bone height between two teeth. To analyze that, an IOPA x-ray is a must. so it's my advice to upload an x-ray, so I can guide you better. If the bone is not enough in that area, we can increase gum height with a bone graft or tissue graft.
Tongue thrusts usually have an underlying orthopedic cause and can be addressed with oral myofunctional therapy.The DNA Appliance can often correct the orthopedics in an adult.
