Acute gingivitis self-healing time is about 7 ~ 15 days, the specific recovery time is mainly related to local irritants, the patient’s age, physical condition, the severity of gingivitis and other factors. Mild gingivitis, only involves localized gingivitis or irritation caused by the symptoms, the damage area is not large, the patient’s body resistance is strong, about 5~7 days can be self-healing. Moderate and severe or more inflammation of the gums take longer to heal themselves, and moderate gingivitis may be around half a month. Severe or more than poor oral hygiene, the possibility of self-healing is unlikely, you need to go to the hospital as soon as possible for examination, for gingivitis local irritants including calculus and plaque control at an early stage, to avoid the development of serious periodontitis, induced infection and other dangerous diseases. Patients with gingivitis need to maintain oral hygiene for a long time after treatment, keep a light diet and quit smoking and drinking. Rinse your mouth after meals, maintain good oral hygiene habits, try to avoid recurrence of inflammation of the gums. It is recommended that patients under the guidance of a professional doctor for standardized diagnosis and treatment.