? The short answer is no and yes! Of course, there is no single tooth in your mouth that makes you want to eat that candy bar, so the term cannot be taken literally. However, when someone is said to have a sweet tooth it means that he or she craves sweets! Those with a sweet tooth are at greater risk for obesity, not to mention cavities and gum disease. Here are a few tips that will help you help your child tame that sweet tooth once and for all.