ZIRCONIA CROWN

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ALL ABOUT ZIRCONIA CROWN YOU NEED TO KNOW…

I. What is Zirconia?

Zirconia is a white solid ceramic glaze, non -metallic material consists of zirconium dioxide, which has the highest mechanical strength and fracture resistance. Besides the strength, the other main reason it is widely favored in the medical field is due to its superior surface smoothness, biocompatibility, and longevity

Most Zirconia in the market has a similar composition. Depend on the purpose of using zirconia, the strength and the opacity will be slightly different. For example, full compressed zirconia used for posterior crowns can get the maximum strength of about 1.100 to 1.200 Mpa while lightly compressed zirconia used for anterior crowns has maximum strength at 700 to 850 Mpa. In terms of opacity, the layered Zirconia can accommodate maximum aesthetic for anterior translucency while the lightly compressed zirconia can get medium translucency. Therefore, if you want to get the highest translucency for your restorations, the strength should be compromised. However, zirconia is still stronger than other dental materials

Today, there are many different types of zirconia with many brand names. To prevent confusion, you should base on your manufacturing purpose to choose the suitable type of Zirconia.

Zirconia material for making Zirconia Crown
Zirconia material

II. Zirconia Crown- New King in modern dentistry

During the last few decades, dental suppliers worldwide have introduced many kinds of dental materials. Many of them worked well initially but gradually faded about the strength, the color except Zirconia. Until now, Zirconia is considered the best material for dental restorations.

Before Zirconia is well known in the dental field, gold is the preferable material that can offer more benefits for anterior and posterior restorations. However, gold is no longer affordable to many patients because gold crowns did not offer a natural look

The revolution of the Zirconia crown has started in the 2000s when gold prices started increasing, and the new CAD/ CAM technology was introduced in the dental lab. Zirconia has become a new king among other materials as many dentists chose Zirconia as an alternative to expensive gold.

As a company specified in manufacturing restorations, we believe that Zirconia is the best materials for dental restorations recently, primarily based on 3 factors: biocompatibility, longevity, and aesthetics.

Therefore, Zirconia has become a new king in the dental field for replacing missing teeth.

III. Why do dentists all over the world prefer Zirconia Crown?

 Biocompatibility

Zirconia is well-known for its superior non-corrosive properties. Therefore, zirconia crowns are the most biocompatible which means it’s less likely to provoke the body into producing a reaction or immunological response like inflammation while other dental materials may contain some level of toxicity or allergic propensities. However, no material is suitable for all kinds of people. For safety, the dentist should check the patient’s allergies

 Longevity

Zirconia crown can last for a long time, up to 15 years if correctly restored. It is 10 times stronger than natural teeth. However, because its strength is not as good as metal, the zirconia crown should not be thinner than maybe 0.7mm for maximum longevity

 Aesthetic

Zirconia is not the most aesthetic compare to lithium disilicate because of the opacity property of zirconium dioxide itself. However, in terms of aesthetics and strength, zirconia is the best choice for aesthetical factors among the strongest dental material  

For maximum aesthetic, layered zirconia is the best choice. The framework made from zirconia and layered with porcelain will provide aesthetics for the anterior crown. The more aesthetic crowns are the more technician’s skill and ability to layer porcelain powders.

IV. Limitations of Zirconia Crown

One potential downside of a zirconia crown is its opaque appearance, although this material is a closer resemblance to a real tooth than gold and other metals, it is more transparent than real. This is especially true for monolithic zirconia crowns, which are made just from zirconia, although it may be less of an issue for teeth in the back of your mouth. But if you need to replace a tooth in the front of your mouth, zirconia may have a noticeably different shade than your other teeth. Thus, to get a slightly translucent appearance, you need to compromise strength.

V. How to protect Zirconia Crown

Firstly, be sure to practice good oral hygiene as you do with all of your teeth. Brush at least twice a day, floss, or clean between your teeth with interdental brushes or water flossers at least once a day. Besides, you can use other helpful products like antimicrobial mouth rinses and tongue scrapers. Be sure to see your dental professional for regular cleanings – not only to keep your teeth white and bacteria-free but also to check the health of your crown.

Author: Xdent team

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