No health or dental insurance. Worried financially.

I'm 19. Last year I ignored pain in one tooth. It was a cavity. This is the first time this happened to me. I've let it go so long one side of it eventually chipped :( Now the tooth behind has pain every once in awhile & I fear it will happen again. I'm just scared going to the dentist & having to pay so much. I'm interest in Invisalign also. I don't make that much money. i plan on going to the dentist. What will be done?

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