An inflammatory swelling or small abscess on the gum.

The discharge of pus; an instance of this; esp. (more fully pyorrhoea alveolaris) a severe form of periodontal disease accompanied by such discharge.

= red gum, n.1

(See quots.)

Inflammation or infection of the gums; an instance or type of this.

Inflammation of the periodontal tissue.

Pathology. The characteristic soft fungous condition of the gums in scurvy.

= periodontitis, n.

Infection or inflammation of the gums and other parts of the lining of the mouth; an instance of this.

Destruction or degeneration of periodontal tissue.

Periodontal disease; spec. loss of alveolar bone without inflammation, leading to displacement or loosening of the teeth.