Crowns and bridges

In case a tooth is extensively damaged but the root is healthy, there is no inflammation around it and therefore can be kept then the tooth is being covered by a crown. A tooth crown protects the tooth and solves the functional and aesthetic problems.

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Crowns and bridges

With crowns and bridges we can imitate the real teeth perfectly so that even experienced eyes might not see the difference between original and fake. Crowns and bridges are mainly made out of ceramic fused to metal or of full ceramic.

If natural teeth are used for a bridge as pillar teeth then those must be prepared (ground down) in order to be able to carry the dental bridge or crown.

A crown can also be fixed on an implant which has been previously inserted in the place of the missing tooth. In this case we talk about an implant crown.


When do we talk about a dental bridge?

We talk about a dental bridge if one or more gaps are treated with a prosthetic solution. A bridge always consists of at least three parts and bridges the gap by being attached on the two neighbouring teeth that are the pillars or on two or more implants having the same function as a natural root. In this case we talk about a dental implant bridge

The elements of a bridge are also crowns. Almost all crowns and bridges are made of metal with ceramic lining or of full ceramic (Zircon ceramic).

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Types of dental crowns

The type of tooth crown is very important, it is determined depending on the situation or the patient request. The most common types of crowns and bridges are the following:

These crowns have a metal frame and a ceramic lining on the surface with which the anatomical effect is being created. These crowns are inexpensive still they allow a very good stability and aesthetics, therefore it is the most often chosen crown type.

Just like full ceramic crowns Zirconia crowns are also completely metal-free, extremely resistant and can withstand even the strongest chewing power. Therefore these are often used in the back region for the replacement of molars where the pressure is the highest. Also Zirconia is perfect for strong, durable, high-aesthetic bridges. It is being produced with the so called CAD/CAM method (computer-aided-design / computer-aided-manufacture) meaning that the crowns and bridges are being planned digitally and individually and also the production is steered by a computer. The teeth are individually being carved out of a Zirconia block then anatomically lined with ceramic.

This metal-free crown type is being pressed out of a ceramic block therefore it is often called pressed-ceramic crown. E.Max crowns are very resistant and look just like natural teeth, are usually used in front region where the aesthetics has a major role

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The steps to the new crown

The creation of a new dental crown takes between 5 and 10 working days depending on the number and includes the following steps:

  1. Drawing up the treatment plan based on X-ray and physical check-up.
  2. Removal of tartar if needed.
  3. Preparation of the tooth and application of short-term temporary crown.
  4. Different probes at all the creation stages of the crown checking shape, fitting, color, etc.
  5. Finalization of the dental crown. It is either cemented or screwed depending on the anatomic situation.

How long do dental tooth crowns last?

A well-crafted, high-quality dental crown produced by Evergreen Dental’s laboratory is expected to last for a minimum of 20 years. However, it highly depends on the patient’s behaviour and oral hygiene. For the longevity of a dental crown maintaining good oral hygiene practices and undergoing annual check-ups, including professional teeth cleaning are essential.

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Benefits and disatvantages of crowns

  • Fixed solution
  • Durable
  • Save the teeth
  • Feel like real teeth
  • Depending on function its material can vary (zircon in the molar region) or highly aesthetic (full ceramic in the front region)
  • Can anatomically imitate the original tooth, both in shape and in colour
  • Seem very natural
  • The tooth substance must be reduced
  • For bridges, healthy teeth may need to be ground off
  • Hygiene is very important, bacterial attacks cause inflammation and sensitivity