The common causes of whitish gum bulge are alveolar bone growth, apical abscess, etc. Commonly used treatments include surgical treatment, root canal treatment, and so on. 1. Alveolar bone growth: localized growth of alveolar bone will lead to white hard protrusions on the gums. You can go to the hospital to remove the protruding alveolar bone through surgery to eliminate the hard protrusion. If there is no discomfort, it can be left untreated and can be observed by paying attention to cleanliness. 2. Periapical abscess: Periapical abscess will be formed if the periapical infection continues to develop, which will be manifested in the formation of pustules under the mucous membrane. The outer appearance is a white bulge. This is the time to seek the help of a professional dentist for incision and drainage of pus, root canal treatment. Root canal therapy is designed to remove the inflammation from the root canal and prevent it from continuing to irritate the gums. Patients with whitish bulging gums should go to the hospital in time for checkups and treatment under the guidance of a doctor. Pay attention to maintain oral hygiene, avoid irritating the gums, rinse your mouth diligently and drink more water.