Gum loss exposing the roots of the teeth means that gum recession has occurred, and common causes include gum recession, bad oral habits, and periodontal disease. Treatment includes general treatment, physical therapy, surgical treatment and so on. 1. Gum recession: Physiological recession caused by age, no special treatment is needed to develop good hygiene habits. 2. Bad oral habits: rinse your mouth in time after meals, and insist on brushing your teeth every morning and evening, which has a protective effect on the exposed tooth roots. 3. Periodontal disease: through periodontal treatment to remove the calculus on the teeth, local rinsing, teeth loose for reinforcement, serious periodontal bone grafting surgery. Caused by the gums to reveal the roots of the teeth may also have other reasons, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor for standardized treatment, the above treatment needs to comply with the doctor’s orders.