Dental Problems

Dental crowns – Types of Dental Crowns

Dental crowns are tooth shaped caps, positioned over a tooth in order to restore its size, shape, strength and its over all appearance. The crowns once cemented in place, encases the portion of the tooth that is visible, lying at the gum and above it. There are 5 types of dental crowns.

Why is a dental crown required?

A dental crown is very much needed in the following situations:

  • To replace a worn out tooth or a tooth that is badly broken.
  • To crown a dental implant.
  • To hold a dental bridge in tact.
  • To crown severely discolored teeth.
  • To hold together parts of broken tooth.
  • To protect a decayed tooth.

The types of dental crowns available are:

Metals:

Metals like gold, alloy, palladium etc are usually used. A base- metal alloy like nickel or chromium are also used at times. These crowns can withstand biting and chewing forces. They are very long lasting. The only drawback is its metallic color. A metal crown is a best choice for out-of-sight molars.

All-resin:

These crown types are less expensive when compared to other crown types. They wear out quickly and are very prone to fractures.

Porcelain fused to metal:

these crown types are designed in such a way that it can be matched to the color to your adjacent teeth. They look almost like the normal teeth. This type is also very susceptible to fractures. They are best choice for front and back teeth.

All-ceramic or all-porcelain:

these dental crowns are majorly used by people with metal allergies. They provide the best natural color match when compared to any other dental crown. However they are not as strong as the above crowns. The All- ceramic crown is best suitable for front teeth.

Temporary versus permanent:

These are temporary crowns made in the dentist’s lab. The material used to make these crowns are either stainless steel or acrylic.

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