Dental crowns at Craft32 dental care saligramam A dental crown is a very effective treatment used to restore a tooth that has been damaged in some way, and it has some distinct advantages when compared with the alternatives. Dental crowns are a good long-term option because they are durable and usually last for at least 5-15 years, which increases patient satisfaction with the treatment. Treatment with dental crowns has a high success rate with respect to either other dental restoration methods.