Installation of crowns is considered one of the most effective and frequently used methods of prosthetics of teeth, allowing them to maintain their integrity and functionality. Unlike a filling, this product completely covers the tooth. This feature provides high aesthetic properties.
Now it is the metal-free crown that is popular. It perfectly imitates a natural tooth, looks beautiful and lasts long enough. It all depends on what frame is used in its production.
Product benefits
Metal-free crown has the following advantages:
- High aesthetic qualities. The product fits very tightly to the gum, so the transition from tissue to crown is almost invisible.
- Remarkable optical properties. That is, the color of the product is fully consistent with the natural. In appearance, it is almost impossible to distinguish a living tooth from an artificial one.
- Good biological compatibility with body tissues. This makes it possible to avoid an allergic reaction or rejection of the implant.
- Does not cause gum disease (when properly installed).
- Gives you the opportunity to restore notonly aesthetics of a smile, but also functionality.
- The product has a high strength compared to other types of crowns.
- Durability.
- The crown veneer is highly resistant to mechanical pressure.
- During installation, you do not have to cut off too much natural enamel. Since the crown sits on the adhesive, in some cases grinding is not required.
As for the disadvantages, the metal-free crown has only one disadvantage - the cost. Such a product is quite expensive, but it quickly pays off. For example, the average price of a product is 18,000 rubles.
Indications for use
So, a metal-free crown is used in such cases:
- If the patient is allergic to the metal used to make the product.
- The need to restore the front teeth: canines, incisors.
- Restoration of chewing function.
Product classification
So, crowns, metal-free ceramics are used more and more often, can be divided into the following types:
- E-max. This is one of the newest items. It is made from lithium disilicate. Such a crown differs in that it has increased strength, excellent appearance. Such products are installed on very badly damaged teeth.
- Empress. The presented product is made from glass ceramics by hot pressing. It has good strength and elasticity. SuchThe crown adheres well to the hard tissues of natural teeth. Most often, this manufacturing technology is used for the manufacture of small bridges, crowns and veneers.
- Aluminum oxide. The presented products are manufactured using computer milling. This technology is used to restore the front teeth.
- Zirconium dioxide. Such metal-free crowns, the prices of which range from 18,000-25,000 rubles, have good aesthetic properties and high strength. They can be used to restore almost any tooth, even chewing. The frame of the product is made of zirconium dioxide, and the lining is made of porcelain.
Why should crowns be installed?
Not only the beauty of a smile depends on the he alth of the teeth, but also the functionality of the digestive system. Poor chewing is an additional burden on the stomach, and, therefore, indigestion, an upset gastrointestinal tract. It is not difficult to guess what will happen if this situation repeats.
In addition, the destruction of the tooth will sooner or later cause severe pain, which will simply deprive you of sleep and performance. To avoid such situations and preserve the functionality of the teeth, a metal-free crown is needed. Zirconium is considered one of the most sought after materials.
Production Features
So, the production process of the presented products is quite complicated and consists of several stages:
- First, in the dental office, the patient's teeth are removedmeasurements.
- Next, an accurate 3D model of the damaged tooth is created.
- After that, the frame of the future product is created. In order for the frame to be durable, it is fired in a special furnace at a high temperature.
- The porcelain layer is applied last and fired again in the kiln.
Naturally, the entire production process is characterized by the use of expensive technologies, so the cost of the finished crown is not at all small.
Installation rules
Installing a metal-free crown is also a lengthy process. It provides for the following actions:
- Preliminary examination of the oral cavity and treatment of existing pathologies of the dentition. Without this, further installation will not be performed.
- Preparing for work.
- Inspection of the treated tooth, as well as grinding of excess areas (if necessary).
- Making an impression of the dentition, according to which the crown will be created.
- Installing a temporary piece of plastic. This will make it possible to provide the necessary aesthetics of the oral cavity.
- Selection of the desired shade. This procedure requires special care, as the wrong color will stand out very much.
- Installation of the finished crown. For its fixation, special cement is most often used, which does not collapse under the influence of negative factors.
In order for the product to serve for a long time and not create problems, it is necessary to install it ata good specialist.
Why is a zirconia crown expensive?
Metal-free front teeth crowns are often made on the basis of a zirconium framework. The fact is that they are almost indistinguishable from a real tooth, they have high strength. Complete safety for the patient's he alth can be called a separate advantage.
In addition, for the manufacture of the presented product, modern technology is used, which is quite expensive. For example, computer scanning and milling are used in the work. The materials are not cheap either. That is why the cost of a metal-free crown is quite high.
Features of product care
In principle, there is nothing complicated. It is enough just to follow the standard recommendations of doctors:
- You should brush your teeth twice a day.
- To remove food debris from between teeth, you can use dental floss.
- It is advisable to rinse your mouth with clean water after each meal.
- Regular visits to the dentist will provide an opportunity to identify any diseases or decay of the teeth at an early stage.
- It is undesirable to gnaw too hard food, crack nuts. In this case, the wear of the bit will increase.
- You should also watch your diet so that it is rich in vitamins, minerals, as well as calcium and vitamin D.
- You can also use special antiseptic and gum-strengthening rinses. They will also helpit is better to clean the crowns from food debris.
As for the reviews, patients note the natural color of this product, the ease of care for such teeth, and the absence of side effects after installation. However, users are upset by the high cost of the crown. Although it pays for itself over time.
That's all the features of metal-free crowns. Despite their high cost, they can last a very long time, so they will pay off soon. Stay he althy!
