Metal Ceramic Crown Vs Zirconia

These crowns are made from types of porcelain for a whiter and more natural look.

Metal ceramic crown vs zirconia.

Emax is lithium disilicate glass an all ceramic system. It is one of the most aesthetically pleasing options porcelain can be layered on it creating incredible translucency and a very realistic looking tooth that matches with other natural teeth. All ceramic crowns are very comfortable and fit better than most other metal crowns. However it can sometimes be a disadvantage.

In cases where it is necessary to create a ceramic dental bridge of greater range such as the bridge between the threes and eights metal ceramic structure is better than zirconia non metal structure due to the higher elasticity of the material. However over the past few years an increasing number of clinicians are choosing zirconia restorations. A layered zirconium crown has a more natural appearance but it is not as strong. All ceramic crowns compared to zirconium crowns cost more due to the craftsmanship involved in their making.

The better translucence makes it ideal for front teeth. The estimate cumulative survival ecs and the estimate cumulative success ecss with standard deviation se were respectively 97 73 2 19 and 92 64 4 14 for zirconia based crowns whereas 97 44 2 39 and 91 11 4 27 for porcelain fused to metal crowns. The number of pfm crowns requested by clinicians is lower compared with all ceramic and zirconia restorations. It is however still stronger than a porcelain crown with a metal base porcelain fused to metal pfm.

Zirconia is zirconium dioxide a white powdered metal oxide. Chipping fracture of the veneering ceramic was detected in 2 metal ceramic crowns and in 3 zirconia based crowns. Zirconia can also be made to match the color of your existing teeth. As for the difference between metal ceramic and zirconium dental crowns in firmness it should be duly noted that the zirconium is much harder material.

Ceramic and zirconia crowns are the most preferred alternatives to silver gold and porcelain materials for crown bridge treatment for today s modern day dentistry. Further they are not sensitive to temperature as well.