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The metal-ceramic crown consists of a cast metal frame and a ceramic shell attached to it. This shell in turn can be either removable or not.

The advantages of installing metal-ceramic crowns

First, the appearance of these crowns is practicallydo not differ from the kind of real teeth. You can judge this by the appearance: color and form, and functionality. The aesthetic side of the issue is their undeniable dignity. Also, the owner of such a crown will not notice its presence during meals, but will feel like its natural tooth. Secondly, the strength of such a design is very high. The metal frame, which is created from the alloys of chromium and cobalt or chromium and nickel metals, in combination with the ceramic coating withstands the same loads as the natural tooth. Thirdly, the durability of the cermet is its undoubted advantage. Without requiring special care, such a crown can last about 15 years. Its materials are not sensitive to the effects of bacteria in the mouth. In addition, the crown prevents the penetration of pathogenic microorganisms to the remaining part of the tooth underneath. Thus, the further destruction of the tooth is no longer happening. And, finally, the affordable price of metal-ceramic crowns makes them all more popular.

The disadvantages of cermets

There are a number of shortcomings, of course, in this speciesdentures. For example, the difference in the light reflectivity of a ceramic-ceramic crown and a natural tooth can still give out its presence. Ceramic coating transmits light much better than tooth enamel. Installing a metal-ceramic crown requires a long enough and thorough preparation. In particular, it is necessary to perform nerve depilation, and also to sharpen the skeleton of the tooth, on which the crown will be installed. It is for these reasons that metal-ceramic crowns are not recommended for placement on the front teeth. In addition, there may be a side effect of materials that may manifest in a change in the gum condition contact with the crown. But it is possible that such a reaction can be caused by a medical error, from which no one is insured. In general, cermets have much more advantages than disadvantages. And with proper installation, competent dentists serve for a long time and practically do not cause complications.