From dental assistant to dental hygienist?

I am what one would called a displaced worker (laid off). I am looking into dental assisting since it's only a one year diploma program. The question is, someday I want to be a hygienist. Are there any assistant to hygienist transition programs? Or would I just have to go back to school full time for dental... show more I am what one would called a displaced worker (laid off). I am looking into dental assisting since it's only a one year diploma program. The question is, someday I want to be a hygienist. Are there any assistant to hygienist transition programs? Or would I just have to go back to school full time for dental hygiene?
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