Teeth extractions for braces? Worried 18 year old. Do I really need them? (Photos)

My orthodontists told me I am in need of extractions in order to have room for my braces. I asked if I can just have braces , but he said it will give me an intense protruding mouth. I am very worried because of all the bad cases/reviews I hear about teeth extractions ( that it causes a sunken-in (dished-in) face , thin lips, and health problems (TMJ,TMD) to those who do not need them. Do I really need extractions? Will there be bad results? Any feedback will be greatly appreciated! thank you.

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