How do dentists get rid of gingivitis?

I think i have mild gingivitis on my bottom teeth. The gum is disappearing from between my bottom teeth and its really starting to ache and the teeth are really sensitive. I'm 17 I floss, I use mouthwash, and I brush my teeth properly but it still seems to slowly be getting worse. How do I stop the gums... show more I think i have mild gingivitis on my bottom teeth. The gum is disappearing from between my bottom teeth and its really starting to ache and the teeth are really sensitive. I'm 17

I floss, I use mouthwash, and I brush my teeth properly but it still seems to slowly be getting worse.

How do I stop the gums disappearing? Will the gums grow back?
How will my dentist cure this if I point it out to him?
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