Periodontal disease or gum disease is called a "silent disease" because you typically don't experience any noticeable symptoms. As there is no pain, it could lead to tooth loss if left untreated. Gum disease is caused by an infection and it is recognized as a big problem worldwide. In recent years, it has also been found to affect the entire body, causing or aggravating various diseases such as diabetes, stroke and heart attack. Find out the methods for preventing gum disease through at-home care such as proper brushing and getting dental checkups.