A crown is used to cover or completely hide a damaged tooth. Crowns not only support a damaged tooth, they can also improve its appearance, shape, or occlusion. A crown can also be placed on an implant, and it will perform the function of a tooth, having its shape and structure. Porcelain crowns can be matched to the natural color of your teeth. There are other materials such as gold and metal alloys, acrylic and cermets. These alloys are generally more resistant than porcelain and are recommended for back teeth. Porcelain-fused-to-metal crowns are often used because of their durability and beauty. Porcelain is attached to a metal frame.
A bridge may be recommended if you are missing one or more teeth. The gaps left by missing teeth eventually cause the remaining teeth to move or occupy empty spaces, leading to a malocclusion. In addition, imbalance due to missing teeth can lead to gum disease and temporomandibular joint dysfunction.
A crown restores a damaged or missing tooth to its normal shape, size and function. A crown can protect the tooth or improve the way it looks.
Your dentist may recommend a crown to:
Crowns can be made from several types of materials. Metal alloys, ceramics, porcelain, porcelain fused to metal or composite resin may be used. When a crown is made, the material often is tooth colored to blend in with your natural teeth.
You want your crown to look natural and fit comfortably in your mouth. To decide which material to use for your crown, you and your dentist will consider many factors, such as:
Costs and insurance should also be discussed and considered. After you and your dentist have looked at these factors, you might want to talk about your personal preference.
It usually takes two dental visits to complete the treatment. When a crown is placed over a natural tooth, several steps are involved:
Before crown: Worn filling with decay under filling
Crown is placed over prepared tooth
After crown placement
Like natural teeth, crowns can break. And, the tooth under the crown can still get cavities. To prevent cavities or damage to your crown: