This article clearly shows the importance of seeing your hygienist every six month and have your teeth cleaned.

from WebMD

Taking care of your teeth and gums may not only save your smile, it could save your life. A new study suggests a common form of gum disease may significantly raise the risk of head and neck cancer. Researchers found that people diagnosed with head and neck cancers were much more likely to have chronic periodontitis than people without cancer. Periodontitis is advanced gum disease that leads to progressive loss of bone and soft tissue that surround the teeth. More…