A crown is a type of restoration which completely caps or encircles a tooth or dental implant. Crown are often needed when a large cavity threatens the ongoing health of a tooth. It is fabricated in the dental laboratory and bonded to the tooth using a permanent cement to improve strength and appearance of teeth. The dentist makes sure that the color of the crown compliments to the existing teeth to make it look natural.
The bridge is a custom device anchored to two neighboring teeth that replaces one or more missing teeth in between. It is commonly prepared from high quality materials such as semi-precious or precious materials, porcelain or a fused combination of the two.