ZIRCONIA CERAMIC CROWNS

Zirconia Crowns

ZİRKONYUM

As expectations from aesthetics similar to natural teeth arise, special care is exercised for materials used for the mouth, particularly for the front, to be aesthetical. The porcelain with metallic support that has been used for many years lacks light transmittance, therefore a natural appearance cannot be completely achieved and it sometimes causes allergic reactions as well as greying of the gum in time. So, new alternatives have been sought.

The zirconium has also been used in dentistry as it is a tissue-friendly material. The use of zirconium in dentistry has allowed to achieve strength similar to that of metallic base. Zirconium does not reflect from underneath the porcelain as other materials or cause discoloration of gum, and shows resistance to corrosion, they all have increased the use of zirconium.

WHERE IS ZIRCONIA CROWN USED?

It is rather used for aesthetical purposes; severe discoloration that cannot be removed with methods like whitening; treatment of genetic discoloration; diastema or slightly crooked teeth for which no orthodontic treatment is not chosen; restoration of teeth that have lost most of the filling material, or are discolored or deformed; as a bridge or veneer on the back teeth; on-implant front denture, and correcting smile aesthetic.

FOR HOW LONG CAN I USE MY ZIRCONIA CROWN?

You can use it for long years as long as you attend your regular controls. There is no specific time to give. The teeth are living tissues and deformities can be observed in time due to wear or eruption. Zirconia crowns do not undergo changes in time. However, it may be necessary to replace it to adapt to the deformed mouth.

Would my teeth be damaged when it is removed for replacement?

You wouldn’t feel any discomfort because we need to cut off the zirconia crowns to remove it. It would not cause loss of tooth tissue.

WHAT ARE THE AESTHETICAL BENEFITS OF ZIRCONIA CROWNS?

The exact appearance of natural teeth can be achieved because of light transmittance property of zirconium. The light passes through the enamel of healthy teeth. The metallic base of conventional porcelain crown creates an opaque look on the teeth. This makes teeth look dull and artificial. The use of zirconia crowns has eliminated all these problems.

CAN IT BE USED FOR THOSE WHO ARE ALLERGIC TO METALS?

A zirconia crown does not cause allergic reactions to metal because it does not contain any metals.

Do zirconia crowns cause discoloration in future?

No plaque is deposited because of its smooth and slippery porcelain surface. Therefore, it is not affected by coloring agents such as coffee, tea and smoking. Its color stays the same.

Does it cause taste change or malodor in my mouth?

It will not create any taste change or cause malodor as it contains no metals at all.

HOW IS ZIRCONIA CROWN FIXED?

As with the crowns with metallic support, the tooth is slightly reduced and when the gum becomes healthy again a dental impression is taken using specific materials and spoon that fit the mouth. In the laboratory, the zirconia base that matches the color of natural tooth and the porcelain onley are processed and adapt to teeth in the clinic. Finally, it is permanently adapted to teeth with specific cement. You can use it as if it was your own teeth.

How much of my teeth will I loose during the process?

The loss of material is higher than porcelain laminate. It is same as the porcelain crown with metallic base. The surface of your natural teeth is grinded by 1-2 mm.

WOULD I FEEL PAIN DURING THE PROCEDURE?

Your teeth are cut off under local anesthesia. A temporary crown in the color of your natural teeth is installed to prevent sensitivity to cold or hot. Only a few patients experience a mild tingling and the process is usually completed without problems.

Would I have aesthetical problems during treatment?

Especially, the temporary zirconia crown prepared for the front teeth will be similar to permanent zirconia crown in shape. The zirconia crown is made of acrylic material and weak to forces; however color match and its shape will highly satisfy you.

IS IT FREQUENT THAT A ZIRCONIA CROWN FALLS OFF OR BREAK?

It may break or crack in case of excessive or adverse force, however the possibility of breaking or cracking is almost same as the possibility of breaking of a natural tooth. It can be mostly repaired in the clinic. It may fall off if the tooth underneath the crown decays and some material is lost. In such cases, the tooth is treated if possible and the crown is cemented again.

Can persons with gingival disease use zirconia crown?

First, the gingival disease is treated. The zirconia crown may be installed after treatment of gingival disease.

Do zirconia crowns have any disadvantages?

It is not recommended for the back portion because the possibility of breaking is increased.

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