Zirconium crowns and bridges are so strong they can be used anywhere in the mouth. Zirconium crowns can withstand the biting pressure produced by both the front and the back teeth as they grind.
The look of Zirconium crowns and bridges are so close to natural teeth that it is hard to tell the difference between the two. It is this quality that makes them very useable in dental work. Zirconium crowns can be fixed using traditional dental cement.
Since there is no metal within it, the chances of allergy to metals like nickel or gingival alterations are virtually non-existent. It needs mention that some people can develop a metal allergy or gingival alterations from other types of crowns and bridges.