A dental crown is a tooth-shaped cap that is placed over a damaged or decayed tooth to restore its strength and appearance. Crowns can be made from a variety of materials, including porcelain, metal, and ceramic. When a crown needs to be replaced, the dentist will first remove the old crown. This can be done using a variety of techniques, including using a dental drill, a laser, or an ultrasonic scaler. Once the old crown has been removed, the dentist will prepare the tooth for the new crown. This may involve removing any decay or reshaping the tooth. The new crown will then be cemented into place.
There are a number of reasons why a dental crown may need to be replaced. These include: