Do I have receding gums and mouth in pain

[Natalie Davies]

Hi
I don't have an appointment to the dentist until middle of October but my mouth is in so much pain.
I had a brace on the back of my front teeth that was supposed to be there for life however it came off a couple of weeks ago, and since then I've had pain. I've noticed the small black dark triangles on my front teeth and not sure if I have gum disease etc. I brush and floss regularly and use corsadyl however my gums still bleed when I brush. Please can someone help or advise me what I should do?
Thanks