Periodontal disease is a serious gum infection that damages gums and can destroy the jawbone. According to the CDC 47% of Americans are affected by Periodontal disease. Periodontal disease is usually caused by poor oral hygiene and can lead to tooth loss and increased risks for heart and lung diseases. Symptoms can include swollen, red, and tender gums. It is important to know that with proper oral hygiene, many oral diseases and infections can be prevented.