Zirconia is the dioxide form the the metallic element Zirconium and is similar in properties to a natural diamond, possessing both beauty and strength. After an exact subframe is forged, feldspathic porcelain is built upon it until the perfect crown for is attained. Zirconia crowns are biocompatible - made of material that works well with the bodily tissue; they are very strong and resistant to corrosion, and have optical characteristics similar to the natural tooth (in terms of similarity with natural tooth, all-ceramic / full porcelain crowns offers better characteristics than Zirconia crowns). Zirconia offers superior strength characteristics. And especially in cases where the entire crown is carved (via CAD/CAM technology) from a single block of it (this is termed "monolithic" construction) the number of dentists who choose them for placement on back teeth as an alternative to PFM's seems to be growing substantially each year.
Emax is more translucent than most Zirconia and therefore lets in more light, if tooth under is dark and needs to be masked out often Zirconia is better.
The ideal use for Zirconia is where substrate it dark or extra strength is needed (full contour). Ideal use for E max, high light transmission wanted and maximum aesthetics.
This type of crown is made from zirconia, a very strong material which is compatible with the human body. Zirconia is used in many other medical applications such as artificial joints and is known for its strength and durability. Zirconia is a type of crystal which is long lasting and indestructible.
Plus there is no fear about the body rejecting zirconia or displaying an allergic reaction to it. It is safe to use and preferred by many people to porcelain fused to metal crowns.
The quality of the materials is one of the main factor in delivering highest quality work:
There are different types of zirconia crowns, beginning with excellent crowns to imitations. At our clinic, as a rule, we work with only best materials available.
The excellence of dentists and lab technicians (ceramists):
Most natural looking crowns are the ones made by a great artist.That means, it is not only the material but also the dentist and lab technician. We are working with the best lab technicians (ceramists) who are amongst to top technicians in whole Europe. We don’t do fabricated works (on the contrary of what most of the dental laboratories are doing). Our ceramists team is working on each crown one by one in order to achieve the maximum aesthetic result. This is one of the vital part of the cosmetic dentistry. Most of the patients do not have enough information about the importance of the dental technicians in the process of delivering the best result. Some dentists even does not give too much importance to this point. The reality is that the best result can be attained working with the best technicians with the best materials in their hands.
Disadvantages of a Zirconia Crown
The tough, durable nature of a zirconia crown can work against it as well as in its favour. This material has an abrasive quality which can cause friction against the root of the tooth as well as other teeth.
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