[Protruding Mouth] Orthodontic Treatment Review

I'm a person who started orthodontic treatment in December 2021. I'm still doing it. My protruding teeth were so severe that I started orthodontic treatment, but it's taking a long time. Protruding teeth correction is based on extraction, so I had 4 teeth pulled. Since I'm from the countryside, I did it in Seomyeon, and since Invisalign is waiting to be popularized, they just laid the railroad tracks first. I 'm still doing it, but my protruding teeth are so severe that no matter how much I put my mouth in, my teeth are still protruding.