Blood Blister On My Gum What Is This Blood Blister In My Mouth On My Top Gums And Why Are My Gums Turning White?

What is this Blood Blister in my Mouth on my top Gums and why are my gums turning white? - blood blister on my gum

I have a small blood blister on my upper teeth, can sit down and bust of the young. Your right to a tooth that I had problems. I noticed that my gums were Turing know what would it be?