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Zirconium Crowns

Dental crowns are caps that cover a tooth or a dental implant. Dentists often recommend crowns as a way to support broken, weak, or misshapen teeth. ... Zirconia crowns are made from zirconium dioxide, a very durable type of metal that's related to titanium, although it's categorized as a type of ceramic crown.

How long do zirconium crowns last?

A 2016 study found that monolithic zirconia crowns were the least likely to crack or split after being subjected to high bite forces. With proper oral hygiene and care, a zirconia crown can easily last 10-15 years — or longer.

Is zirconia crown better than porcelain?

Because of their exceptional durability and strength, zirconia restorations generally last longer than porcelain. While porcelain crowns usually need replacement after a few years, zirconia crowns have shown a 99 percent survival rate after five years. Both porcelain and zirconia are custom-made to look very natural.

Are zirconia crowns safe?

From a radiation safety point of view, both porcelain and zirconia crowns are safe. The amount of radioactivity in these crowns is small and in low concentrations, just like the amount of radioactivity that is naturally in your body.

Can a zirconia crown crack?

The original BruxZir (Glidewell) 3Y zirconia (3 molar percent yttrium oxide content) has enormous strength and a property called transformation toughening (not allowing crack propagation). These characteristics have made the 3Y zirconia almost indestructible.