Do you find it to your liking to be experiencing any kind of pain? I believe no one likes to be in pain. Teeth sensitivity is another classic symptom of gum disease which is cause of by the gum inflammation. The gums start to feel sore, swollen and irritated. That when you brush your teeth, you may notice a pink in the sink which is your blood. Bleeding and sensitive gums are not that healthy, and your gums are telling you that you need to do some action to prevent gum disease from progressing. Added to that, unpleasant and unhealthy gray film that can develop on the teeth and gums is another symptom of advanced gum disease that should be taken into account. It is begging you to change your dental hygiene practices and seek the help of a dentist for gum disease treatments and cure.