Crowns & Bridges
Crowns and bridges are fixed prosthetic devices. Crowns and bridges are cemented onto existing teeth or implants, and can only be removed by a dentist.
Crowns
A Crown is a artificial cap made up of different types dental materials & kept in place by dental fixative. A crown is used to entirely cover a damaged tooth. It can also be used to improve thooth appearance, shape or alignment. A crown can also be placed on top of an implant to provide a tooth-like shape and structure for function. Porcelain or ceramic crowns can be matched to the color of your natural teeth. Other materials include gold, metal alloys and acrylic. These metal alloys are generally stronger than porcelain and may be recommended for back teeth. Porcelain bonded to a metal layer is often used because it is both strong and attractive.
Reasons for doing crowns.
- Badly decayed or fractured teeth.
- To change irregular shape of teeth.
- Teeth which have undergone root canal treatment.
- To correct malocclusion.
- Teeth with large fillings.
- Discolored teeth
Bridges
A bridge is a multiple joined crowns used to replace a single missing tooth or several teeth by joining & artificial teeth permanently to adjacent teeth, while fabricating bridge the gap between adjacent teeth is filled with dummy tooth.
Material used for Crowns & Bridges
Zirconia
- Highly biocompatible.
- Smooth surface helps to reduce plaque accumulation.
- Crowns are extremely strong.
- Translucent enough to be similar to natural teeth.
- Because of metal free it prevents darkening around the gingival area.
- Precise fit as they are manufactured with computer - aided design.
- Suitable for patients with metal allergies.
- Requires less tooth removal.
Porcelain fused to metal (PFM)
- The underlying metal fused with the porcelain provides stability & strength to the crown.
- Most commonly preferred as it gives natural look.
- High rate of success.
- The metal that lies underneath the crowns porcelain surface can sometimes be seen as a dark line right at the crown's edge, if person's gums happen to recede.
Metal Crowns (Gold alloys, Base metal alloys)
- They are very durable with good strength used for restoration of back teeth with low visibility.
- Main disadvantage of metal crown is their metallic appearance.
Crowns & Bridges FAQs
1Does tooth require root canal to have a crown ?
No, teeth can often receive crowns without a root canal.
2Do crowns look false?
No, good crowns look very realistic & match to your existing teeth very well. In fact to get realistic crowns it depends upon the skill & artistry of how its made.
3Do you offer different grade (standards) of crowns ?
No, we provide only the best quality crown,bridge & veneers.
4How long do crowns, bridges last ?
On an average crowns & bridges lasts for 7 - 15 years.
5How many types of materials used for crowns & bridges?