Can I get braces with 4 missing teeth?

I want to finally make something about my teeth. I recently lost one front tooth, and have 3 molars to be extracted.(they are already impossible to cure). My teeth are crooked anyway so I am wondering if getting teeth braces are best idea to do first? I think they could also close the gap between front teeth. I am 19 years old. [sorry for my english, its not the language I speak in my country]

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