Some parts of this article are taken directly from our Tooth Decay Masterclass. Dental fillings are used to fill a tooth after a cavity (tooth decay) has been removed. Every filling has its estimated lifespan, but you can affect this in many ways (mostly by shortening it), and this is why in this article we will comprehensively describe all the important aspects of fillings durability and lifespan. 1. Types of fillings These days there are three most common types of dental fillings or restorations, each having a different estimated lifespan: Composite resins (so-called white fillings), longevity studies: [1], [2] – they are made from mix of acrylic and ceramic resins…