A dental crown is a fixed dental restoration designed to cover and protect a damaged, weakened, or heavily restored tooth. The crown fits over the entire visible portion of the tooth above the gumline, restoring its shape, size, and strength. Crowns are commonly made from materials such as ceramic, porcelain, metal alloys, zirconia, or porcelain fused to metal.
Dental crowns are used in a variety of clinical situations, including repairing teeth with large cavities, protecting teeth after root canal treatment, restoring fractured or worn teeth, or supporting dental bridges and implants. By covering the entire tooth structure, a crown helps reinforce the tooth and restore its ability to function normally during chewing.