When the dentist tells you that you have a cavity and need to have it filled, they will give you a few different options. While there are advantages and disadvantages to each choice, dentists agree that the overwhelmingly best option is composite dental fillings Chicago.Less Tooth Removed. Bonding.With metal fillings, you need to have the entire filling extracted and replaced if damage somehow occurs to it. If you need dental work done and you are thinking about composite fillings, contact Windy City Family Dental at https://www.windycityfamilydental.com/.