A growth on the gums extracted is usually good. This situation is considered chronic apical periodontitis or chronic periodontitis caused by. 1. Chronic apical periodontitis: chronic apical periodontitis more caries or other physical and chemical factors stimulate, inflammatory infection of the pulp, failed to carry out effective treatment, the infection spread to the periapical tissues caused by the extraction of inflammation from the alveolar fossa drainage and restoration, but if the tooth loss is not big, do not loosening can be retained by root canal treatment. 2. Chronic periodontitis: chronic apical periodontitis gingival atrophy, loss of gingival attachment, the emergence of deep periodontal pockets, poor oral hygiene and localized infections, the emergence of periodontal abscesses, in the gums will form a small pustule, extraction of the teeth inflammation can be restored, but for mild to moderate periodontitis can be periodontal sequential treatment in order to save the affected teeth. Gums grow a small meat bag, need to consult a doctor in a timely manner, under the guidance of the doctor to check and deal with, in order to avoid adverse consequences.