Specialty based on the treatment of tooth supporting tissues such as gingiva and alveolar bone.
Have your gums red, swollen, very sensitive and bleeding is a negative prognostic. Gingivitis can eventually degenerate into worst diseases that are manifested by progressive bone and gum loss, making the teeth loose and could be lost.
This is avoidable by regular cleaning and removing plaque and bacteria clusters deposited between the tooth and gum.