Oral cancer is now the eighth most common cancer among men and the 14th most common among women around the world. In countries like India, where there is widespread poverty and limited access to doctors, that number is significantly higher. In fact, it is estimated that a full 30 percent of all cancers in India will be oral cancers by 2020, making it the third most common cancer in the country of over 1.3 billion people.

So, what is causing this increase in oral cancer rates around the globe, and what can you do to protect yourself from this very preventable - but often silent - killer?

For many people, there are few things more frustrating than hearing they need an old filling replaced. After all, you already went through the pain to have it put in the first time - who wants to go through that again for the same tooth? Unfortunately, despite what we may have been led to believe, fillings aren’t meant to last forever. But for some people, filling failure happens more often and in some cases sooner than anticipated. So, what causes this premature failure, and what can be done to prevent it?