Dental crowns usually last between 10 and 15 years, but each one is different. Your dentist will be able to tell when it is time for you to get a new one, but how do you know if you should head to the dental office in order to have it replaced? Continue reading to learn about the different signs that your dental crown in Concord is nearing the end of its days and that you should be heading in to get a new one put in its place.