The features of dental crowns include:
1. Complete coverage of a damaged or decayed tooth
2. Restoration of the tooth's shape, size, strength, and appearance
3. Protection and preservation of the damaged tooth
4. Made of materials such as porcelain, ceramic, or metal alloys
5. Custom-fit to a patient's tooth
6. Improvement of the appearance of a discolored or misshapen tooth
7. Often used after a root canal procedure or to support a large filling
8. Durable and long-lasting with proper care.