Tooth decay is the most common dental disease. Tooth decay is very common in all age groups. The decay process in your teeth begins as a very small cavity. This goes unnoticed by most of us. If left untreated, decay will progress to the deeper parts of your teeth and cause tooth pain. However, there are a few signs that point towards a tooth cavity. You can take this quiz to find out your risk for dental caries. Happy Assessment!!!!!!!