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In the following article, we will examine the better choice of crowns - metal-ceramic or zirconium. At the very outset, however, it has to be mentioned that we will not focus on what the underlying basis for the prosthesis is - a treated tooth or a twisted implant- seeing as both types of crowns can successfully be used in either case.

Metal-ceramic or zirconium dental crowns - which is better?

    Metal-ceramic or Zirconium dental crowns

  • Metal-ceramic dental crowns

Metal-ceramic dental crowns are the most commonly used crowns in the modern era. They have a frame that’s metallic and it is lined with ceramic. In comparison to plastic or metal crowns, ceramic crowns are much more durable and aesthetic. They also possess a “natural transparency”.

But just like the proverbial fly in the ointment, metal-ceramic crowns have their own disadvantages.

They are insignificant, but do need to be mentioned. Over time, the tooth under a metal-ceramic crown undergoes decay and so, the average lifespan of such procedures is about five years. And when the gum sags over time, the metal edge of the crown becomes visible, which doesn’t look very aesthetically pleasing, especially when a person smiles. But if the dentist and the technicians involved perform the installation correctly and ensure that all requisite care is taken, then the crown could last a very long time and offer immense satisfaction to the patient with its attractive and fresh look/appearance.

  • Zirconium Dental Crowns

The most safe, aesthetic inconspicuous and expensive crowns are metal-free crowns. They are made from Zirconium dioxide or ceramics. In our subjective opinion, today, metal-free zirconium crowns are significantly ahead of metal-ceramic dental crowns across several parameters:

  1. Aesthetics (zirconia crowns do not look as aesthetically pleasing as ceramic crowns in terms of their refractive index, but can be a great budget alternative);
  2. Functionality (They withstand the heaviest chewing loads and so they can be safely installed on any teeth, regardless of their location in the mouth: front, lateral etc);
  3. Zirconia crowns are absolutely harmless and the stump does not deteriorate under such crowns (and even under zirconia crowns, the grinding of the teeth is much lesser than under metal-ceramic crowns).

Interesting to Know!

Zirconium dioxide is a state-of-the-art material that has been used in surgery for over 20 years. Use of this material in dentistry is a relatively recent practice. Since then, the porcelain crown has become less popular. Zirconia is distinguished by its exceptional bio-compatibility and it possesses the most optimal characteristics for the manufacture of dental prostheses. The composition of zirconium dioxide does not include metal , so it does not cause allergies. On the other hand, however, it has to be noted that the price of metal-free zirconia crowns is much higher.

Metal-ceramic or zirconium dental crowns - which is better?

How are modern crowns manufactured?

There is a modern computer-based technology that makes it possible to create crowns, dental linings and veneers with the highest possible precision. This technology is called CAD/CAM. The process of manufacturing metal-free crowns is completely computerised. First, an exact 3D model of the tooth is developed on the monitor, following which the computer calculates the precise dimensions of the prosthesis and relays this data to a modern dental mill, on which the structure for the zirconium prosthetics is ground.

Using CAD/CAM technology to manufacture prostheses ensures that all possible inaccuracies are avoided. This ensures that the crowns fit snugly to the teeth and do not cause any discomfort to the patient.

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m. Architect Beketov / m. University1, ul. Alchevskikh (Artema), 2 (corner entrance to the building between Girshman st. And Alchevskikh st.)
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White & White Detal Studio
ул. Алчевских (Артема), 2, г. Харьков Украина
(050) 574 26 68 (097) 770 63 28 wnwdental@gmail.com