How does gum bleed often return a responsibility

Often gum bleeding may be caused by lack of vitamins, lack of trace elements, malnutrition, improper oral hygiene and other reasons, may also be gingivitis, periodontitis, leukemia, aplastic anemia and other diseases. Often gum bleeding is best to go to the hospital for examination, if it is oral disease to be dealt with in time; if it is a blood disease to receive scientific treatment as soon as possible.