The difference between an all-zirconium crown and an all-ceramic crown usually lies mainly in the material and its durability. All-porcelain crowns are made entirely of porcelain powder, which is dissolved, heated and plated to create a denture, which is commonly used for dental restorations. All-zirconium crowns are made of zirconium dioxide in addition to porcelain powder, and because of the zirconium content in the material components, they are perfect in all aspects of workmanship, quality, color, and granularity, and they are of better quality and durability. When a tooth is broken, you can choose between an all-zirconium crown and an all-porcelain crown to repair it, after which the tooth may experience some discomfort, but it will slowly recover and disappear over time.