I have a body odor problem, a vaginal problem, and dry mouth problem after i had braces. how can i get rid of these problems?

Separately: These are all separate conditions. See your physician and dentist for evaluation and treatment.

Hydration : How is your diet and hydration? Are you drinking enough water? What medications are you taking? See your primary care doctor for an evaluation to find out why you have these problems. Your dentist can help,with your dry mouth.