Hello, I am a 25 year old male. I have this weird kind of white ring on my back lower left gums, between the base of my last two
molars. It doesn't look like an ulceration to me and in the white ring appears to me like normal gum tissue. The area does not feel abnormal, thick, or rough nor is it painful. I noticed it a little over a week ago. I used to smoke cigarettes (maybe 1 to 2 packs a week,...