Gums too swollen for crown replacement?

[Jamie Perez]

My dentist says my gums are too swollen for a crown replacement, he told me to just get an electric toothbrush and brush around the gum too, after 2 months it didn't help, my gums don't appear that swollen, what can I do?

my gums look similar to this - http://www.newhealthadvisor.com/receding-gums-grow-back.html

my gums have receded a bit and now you can see the metal behind the false tooth and its black