What are zirconium dioxide veneers, their price and properties

1. Types of veneers
2. In what cases are veneers installed?
3. How long do zirconium veneers last?
4. How does the installation work?
5. Advantages and disadvantages of zirconium veneers
6. Rules of care

Veneers are used to restore the aesthetics of the front part of the dentition. Microprostheses, which look like thin plates, can hide cracks and chips of enamel, darkening, even out the length of teeth, and eliminate slight curvature. Veneers belong to the section of aesthetic dentistry. The onlays made of zirconium are strong, durable and very aesthetically pleasing.

Types of veneers

Veneers vary in manufacturing principle and material, cost, and durability.

• Composite veneers. The most inexpensive and simplest option. If there are two manufacturing options: in one visit, directly in the patient’s mouth or using impressions in a dental laboratory. There are several disadvantages. First of all, these are issues of aesthetics, durability and strength. Composite is a common filling material. Over time, it will inevitably change color, and the likelihood of chipping is also high. When making such veneers in the dentist's chair, difficulties arise with working out the contact area near the gums. Composite veneers, which are made in a laboratory, provide higher results in terms of strength, but are also inferior to more expensive options - zirconium and ceramic veneers.
• Imax/Emax veneers are the most aesthetically pleasing and allow you to correct your teeth in one visit to the doctor.
• Porcelain veneers. These are the thinnest plates, not exceeding 0.5 mm in thickness. Their aesthetics are very high, moreover, the plates do not suffer from the effects of coloring and aggressive substances, do not wear off, and do not change color.
• Zirconium veneers. Very durable and aesthetic. This is a new word in the field of dentistry; the properties of the material determine the excellent appearance and the highest strength of the elements. The only drawback of restoration with zirconium veneers is the rather high cost compared to composites. Thus, the price for zirconium veneers in Moscow in 2021 starts from 11,500 rubles per unit.

Until recently, ceramic veneers were the leaders in properties and popularity. With the advent of zirconium dioxide, the situation changed and ceramics faded into the background. The material can be used even in the most difficult cases and has no contraindications.

Main characteristics

Zirconium veneers have become popular not so long ago. Previously, both dentists and patients preferred porcelain dental veneers. The latter were distinguished by their strength and whiteness. However, during wear, people often noticed shortcomings in the material. The smallest cracks and defects formed on the products, some even cracked when consuming hard foods.

Situations like this have motivated the search for a stronger material for use in dental applications. They began to use zirconium, which has proven to be a durable and reliable material that does not cause negative reactions in humans. In addition, the products are hypoallergenic and do not interact with acids and alkalis.

The main property of zirconium dioxide veneers is their ability to maintain color throughout the entire period of use. Due to the absence of reactions with dyes found in food products, their whiteness is maintained.

It should be noted that after installing such microprostheses, they cannot be distinguished from natural elements. Thanks to the active reaction of the material with metals, it is possible to produce structures of the desired color that will be optimally suited for a particular person.

Often they install products that are too noticeable due to their unnatural whiteness, so today experts are considering the possibility of making structures from zirconium with the addition of porcelain.

First, a zirconium frame is created, onto which porcelain is then applied. Thus, they receive several advantages: structural strength and impressive appearance.

In what cases are veneers installed?

There are several dental problems that zirconium veneers can address:

• Slight crooked teeth.
• Aesthetic problems in the smile area - chips and cracks of enamel.
• Darkening of teeth after depulpation, use of medications, diseases.
• Fluorosis, which causes stains on the enamel.
• Gaps between teeth.
• Old fillings on the front surface of the teeth.

Contraindications to installation of zirconium veneers

• Significant malocclusion.
• Bruxism.
• Significant tooth decay, large filling on the inner surface (a crown can be installed on such a tooth).
• Strong abrasion of enamel.
• Darkening after using resorcinol.
• Lack of chewing teeth.

Also, veneers are not installed in the presence of caries, inflammatory gum diseases, or periodontal disease.

Indications

Microprostheses are manufactured in laboratory conditions using robotic CAD/CAM equipment, which reduces the risk of human errors to zero. ICE Zircon based onlays provide enhanced veneer strength in segments exposed to high chewing loads.

Modern Prettau technology makes it possible to produce high-quality all-zirconium microprostheses, which are used in difficult clinical situations. These features of zirconium veneers allow them to be used in very difficult cases:

• cracks;
• damage, chipped enamel;
• large gaps between the front teeth;
• underdeveloped/hypersensitive enamel;
• curvatures of 1-2 degrees;
• complex color defects: fluorosis, yellowing, dark spots;
• "tetracycline" organs;
• anomalies of shape that require aesthetic correction.

Dentures are installed on the central group of teeth, less often on premolars; they are not fixed on the chewing units of the jaw in order to avoid peeling off due to heavy load.

How does the installation work?

Before we talk about installing veneers, a consultation, examination, and some research are carried out. The specialist determines the possibility of installing veneers, assesses the presence of contraindications, and develops the course of treatment. The installation takes place over several visits and involves a number of stages:

• Choosing the shade of future plates. It can completely match the patient’s natural enamel tone or be lighter as desired.
• Preparing teeth – grinding, removing excess tissue. This is necessary so that the teeth do not look too large or voluminous after the plates are installed.
• Taking impressions, obtaining information for subsequent modeling of veneers.
• The surface of the treated teeth is covered with composite onlays. This is a temporary measure that allows you to protect your teeth and relieve excessive sensitivity.
• Making records.
• Removing protective covers, trying on finished products.
• Installation of veneers.

Peculiarities

1. Full biocompatibility with tissues of the human body.
2. No allergic reactions to the material.
3. High reliability and durability. Zirconium is stronger than metal, but much lighter.
4. Lack of response to temperature changes.
5. They last longer than ceramic veneers - at least 15 years.
6. High aesthetic indicators that exceed the attractiveness of ceramic products.
7. Transparency achieved through special processing of the material.
8. Maximum tight fit to the tooth surface.
9. Possibility of making veneers of different thicknesses, which is most suitable for the patient.

Advantages and disadvantages of zirconium veneers

Let's consider the advantages:

• Beauty, a very high level of aesthetics.
• Immunity to plaque and dyes, maintaining a perfect smile for as long as possible.
• High strength, ability to withstand heavy loads.
• Full biocompatibility. The material does not cause allergies and cannot be rejected by the body.
• Can be used in complex clinical cases, with a minimum of contraindications.
• Resistant to temperature changes. The change from hot to cold and vice versa will not harm the plates.

Veneers also have disadvantages. Among them:

• Inevitable grinding of tooth tissue. That is, the teeth are damaged and after removing the veneers it will not be possible to simply leave everything as is. It will be necessary to either replace the linings with new ones, or a cheaper and less successful analogue - composite restoration.
• Quite a lengthy installation procedure.
• High price.
• Veneers do not strengthen teeth, but only give them an aesthetic appearance.
• The patient must constantly remember that he has thin linings on his teeth that can be damaged.

The average cost of zirconium veneers in Moscow is from 11,500 rubles to 25,000 rubles.

Popular brands of materials

The veneers themselves can be created from a single block of zirconium dioxide (Prettau brands from Zirconia Zirkonzahn or IPS e.max from Ivoclar Vivadent). Or, as already mentioned, to have an external ceramic coating (lining and pressing) - this depends on the manufacturing technology. In the first case, microprostheses are more reliable, since there is no risk of chipping the ceramic enamel.

One of the modern materials for cladding is glass ceramics or lithium disilicate, which has the strength of zirconium and the aesthetics of ceramics. Innovative transparent adhesives based on glass ceramics are used as the adhesive used to fix the onlay to the tooth.

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Rules of care

Immediately after installation and for several hours you should not eat or drink anything. In general, if installed correctly, veneers simply become part of the teeth and care is not complicated in any way.

• You need to brush your teeth at least twice a day, use dental floss, and rinse to clean your mouth.
• You should visit the dentist at least every six months.
• If excessive sensitivity and other unpleasant symptoms appear, you should consult a doctor to solve the problem.

With careful handling and a guaranteed level of quality from a professional, veneers will last 15 years or more.

Author:

Mayorov Andrey Mikhailovich

Specialization:

orthopedic dentistry, dental prosthetics, implant installation

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Reviews

Patients who have installed zirconium microprostheses note the high quality of these products. Most of the negative reviews are related to the price and the length of the period between grinding the tooth and the subsequent fixation of the veneer.

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Negative sides

The disadvantages of the products include:

1. High price.
2. Long production time.
3. Difficulty in manufacturing due to the need for high precision and the difficulty of fixing the material to the dental organ.
4. The need for expensive equipment for the manufacture of structures.
5. The need to grind the tooth before installing a microprosthesis.
6. Possibility of breakage or peeling if the products are not properly cared for. After peeling off, the veneer can be reinstalled, but if it breaks, it will be necessary to make a new one.
7. Once the products have been installed, the teeth will no longer be able to regain their original appearance.

Manufacturing technique

First of all, the dentist prepares the teeth on which the veneers will be fixed and makes impressions. They can be made using either wax or an intraoral scanner. The doctor transmits all results to the laboratory.

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Microprostheses are not made manually, but using computer technology. Based on the impressions made by the doctor, a three-dimensional model of the patient’s oral cavity is first created. A special program simulates the future design.

A veneer is created from a single piece of zirconium, which can only be processed using a machine equipped with cutters. The final grinding is carried out by a dental technician. Once the veneer is ready, it is sent to the dental office for fitting.

The production of a microprosthesis is carried out on average in 2-3 days.

General overview

Veneers are a plate that is attached to the surface of the front part of the front incisors of the lower or upper jaw.

Zirconium dioxide has recently begun to be used in dental practice. Compared to porcelain microprostheses, it has greater strength, and the thickness of the product can be 0.3 mm.

This type of product is used on incisors (10 upper and 8 lower).

Contraindications

The doctor will refuse to install veneers in the following cases:

1. Complete destruction of the front teeth. In this case, there is no base on which to attach the veneers.
2. Gum diseases in chronic or acute form. Bleeding and swelling of the gums are a complete contraindication for the installation of structures.
3. A small crown or insufficient base on which it is difficult to fix the onlay.
4. Bruxism disease.
5. Excessive curvature of teeth, which can only be corrected through surgery.
6. Direct bite.
7. Absence of the seventh and sixth teeth.

If you refuse to install veneers, the dentist will recommend another type of prosthetics.