A dental crown is a popular option in restorative and cosmetic dentistry because it’s a versatile solution to reinstate the health, function, and appearance of a tooth. Modern crowns are made of all-ceramic material, which allows them to look natural without compromising their durability. The average lifespan is about 10 years, but they are known to last for decades with the right aftercare. Even with the best preventive efforts, there will come a time when you will need dental crown replacement. Here are the most common signs you need a new restoration.