Ceramic crowns on the front teeth: popular species, their differences and price

Of course, crowns on the front teeth should be as aesthetic as possible.At the moment, modern dentistry offers two of the most acceptable options for this prosthesis( in terms of their aesthetic appearance) - it's metal-free ceramics and cermets.Further, we also tell you what are the alternatives to prosthetics of the front teeth, as well as their advantages and disadvantages.

Metal Ceramics

This is the most common type of crowns during the prosthesis of the anterior teeth.The most frequent is not because of what is considered the best, but because of the relatively inexpensive price of this kind of crowns has a very good aesthetics( of course, with the condition that the crowns are made qualitatively).

The main advantages of cermets are:

• the price of these crowns is a compromise between the price of metal crowns and the price of prosthetics with the use of non-metal ceramics;
• long operating time( more than 15 years);
• is a fairly acceptable aesthetic appearance.

The disadvantages of cermets are:

• most often it is necessary to depulse the teeth for these prostheses( that is, to remove nerve endings and seal the dental canals);
• need for a fairly strong grinding of the bone tissue of the tooth.

Problems that can occur during prosthetics with cermet:

• Appearance of cyanosis on the gums - as a rule, immediately after the installation of the crown or in the near future one can observe the formation of cyanosis of the edges of the gums in the area of ​​the installed prosthesis.This is due to the presence of a frame of various types of metal.If you have a very wide smile( during the smile, the edge of the gum is more clearly visible), then the blueness begins to strike people's eyes.
• A prosthesis can be seen against the background of natural teeth - this is also explained by the presence of metal in the crown, due to it, the cermet has no certain translucency, which is characteristic of its own teeth.Because cermets look a little artificially against the background of natural teeth.

This is all the more important for the prosthetics of the front teeth, as during a smile or dialogue they are constantly exposed to natural light, which will highlight the transparency of natural teeth and the opacity of the ceramic.

Attention:

• When you will simultaneously prosthetic several teeth, for example, the entire front dentition from "canine to canine", then this artificiality does not strongly strike the eye, since in the region of a smile, only the prostheticteeth.
• When you place the crown on only one or more front teeth, prepare to ensure that the prosthesis, in one way or another, will be visible to some extent.This visibility will be most visible when only one front tooth is selected for ceramics.This is because the human eye first of all notices the difference between symmetrical objects.

Therefore, when you need absolute invisibility , in this case you need prostheses made of non-metal ceramics, which are almost invisible to the human eye.

Metal-free ceramics

This kind of ceramics can be of several kinds. During the manufacture of ceramic crowns , as a rule, in dentistry, zirconia and porcelain are used( in rare cases, aluminum oxide).But only single prostheses are made from porcelain.If you need to install a bridge( for example, from 4 prostheses), it will be automatically made from ceramics, where zirconia is based.In aesthetic sense, both materials are almost similar to each other.

Porcelain crowns

Several techniques can be used during the manufacture of porcelain dentures:

• technique for applying porcelain composition over layers;
• injection molding technology under high temperature and high pressure.Ceramics, which is obtained in this way, is also called "pressed".

This is important, because the crowns, which are made of pressed porcelain , are much stronger than non-pressed.Pressing increases the strength of the prosthesis and reduces the risk of cracking of the ceramic.Therefore it is very important to know the method of manufacture before starting to perform prosthetics.

Prostheses made of zirconium dioxide

This is a more modern material for production of bridge bridges and single prostheses.The reliability of zirconia can be compared with the reliability of the metal, while it has excellent aesthetic qualities.

Advantages of non-metal ceramics:

• Stable aesthetic properties, ensuring that the prosthesis will have a great aesthetics for quite a long time.Ceramics does not lose its luster, does not turn yellow and does not darken with time;
• The aesthetics of this kind of ceramics are at a very high level, the crown can completely transfer color, as well as the transparency of its own teeth.That is, to distinguish a tooth on which there is a qualitatively made crown made of non-metal ceramics from a natural tooth is almost impossible.This is due to the fact that ceramics more fully corresponds to its own enamel in terms of optical performance.

The lack of ceramic prostheses is a high price.

Features of the installation of ceramic crowns

Procedure installation of prosthetic teeth on the front teeth is similar to the technology using a microprosthesis.First, the tooth enamel is prepared, then the cast is made, taking into account that in the technical dental laboratory a model is made for individual measurements of a person.At the first visit to the dental clinic, the crown is fitted, and the final visit is made during the second visit.

In case the implant is installed on the implanted tooth, the dentist is obliged to confirm the final process of engraftment of the artificially produced root.Only in this case it can fully maintain the masticatory pressure that is imposed on it.An important role, during the installation of prostheses on the front teeth, is given to the professionalism of the prosthetist.An experienced dentist will perform this procedure without any disturbances and will be able to form an attractive smile of the patient with an ideal quality and high accuracy.

When the installation has passed with some kind of disturbances, then there are possible side effects: violations of occlusion, periodontitis, constant headaches.

How are ceramic dentures manufactured?

Non-metal prostheses are now manufactured using such technologies:

• Pressing with porcelain lamination;
• Electroplating;
• CAD / CAM - in this case a computer is used to calculate the dimensions of the prosthesis.In view of this result, ceramic dentures for the front teeth are made with the help of CNC machines.

Stages of CAD / CAM for the manufacture of ceramic prostheses:

• Removing the tooth impression;
• Impression scanning - all information is transferred to a special program for manufacturing a 3D model of the future prosthesis;
• The crown is made on the CNC machine;
• Layered treatment of zirconium carcass with porcelain mix;
• Staining the prosthesis in the required color.

For the crown made in this way, no adjustment or grinding is necessary in the future.

Indications for installation on the front teeth of ceramic crowns:

• There is no one or more teeth;
• Teeth defects;
• Not aesthetic kind of dentition;
• Need for restoration of teeth after damage.

Contraindications of prosthetic ceramics:

• Pregnancy time;
• Inflammation processes in the oral cavity;
• Chronic osteoporosis;
• Weak body after a severe illness;
• Acute systemic diseases.

Care for non-metal prostheses:

• After eating, carefully remove the food residue on the areas where the tooth is in contact with the gum, and also from the cracks between the teeth.Rinse the mouth with water or use a special rinse aid for this.Interdental spaces can be cleaned with a dental floss;
• Daily thorough hygienic care of the oral cavity is mandatory;
• Do not use toothpaste with increased abrasiveness;
• Eliminate solid foods - including sunflower seeds, walnuts, etc., since the prosthesis can collapse.

How is the color of the non-metal crown selected?

Today's technology enables to impart any color of to a non-metal prosthesis.With the help of special samples of shades of ceramics there is a comparison with the color of natural teeth of a person.The procedure for choosing a color occurs most often in natural light.

Price of crowns

The price of a single prosthesis from cermets is 7 thousand rubles, but in some clinics you can see a lower cost, for example, from 5 thousand for one prosthesis.Most often in this case, polyclinics need to be saved on materials of manufacture( metal, ceramic composition), and one can expect that the prosthesis will be made of low-quality materials made domestically.For example, the choice of a cheap ceramic composition will denote a poor aesthetic of the prosthesis, and an increased risk of chipping the crown.

The price of non-metal ceramics fluctuates within 14 thousand rubles.For one prosthesis.The magnificent aesthetics and durability of ceramic prostheses, of course, are explained by their high prime cost and this all, naturally, affects the final cost.

Alternative methods of prosthetics

Restoration with veneers - a prerequisite for this type of prosthetics is the preservation of the dental wall or its destruction must be negligible.That is, when your front tooth is broken only by the cutting edge or the front part, the installation of the veneer is quite possible.And in this case, we recommend veneers, which are made of ceramics.These products have an excellent aesthetics.

Restoration of several front teeth - an excellent alternative to a bridge crown of 1-2 prostheses will be either a removable denture, or implantation.

Restoration restoration is restoration of anterior teeth of with the help of filling materials.In modern dentistry there is one unshakable rule: when the tooth surface is destroyed less than half, this is considered an indication for its restoration with the help of a filling material, but when the degree of tooth decay is more than half of the total area, the tooth will be restored using a crown.

Naturally, it is possible to restore the tooth, destroyed under the root of the filling material, but this tooth will not withstand the chewing pressure, which will certainly end with a fracture of the base.

What kind of crowns is better to install on the front teeth?

In summary, you can determine which crowns are best to choose:

• If you take into account their price, then the most affordable are cermet or plastic crowns.But you need to consider that plastic crowns have a rapid wear, and cermets - can cause an allergic reaction.
• Then the porcelain design, combining strength and excellent aesthetics, but these crowns are quite expensive.
• The leader in terms of functionality is considered zirconium prosthesis, the cost of production and installation are the largest.

That is, opts for a certain type of bit of on the front teeth to be done, first of all, taking into account the person's specific amount of money, and only then to disassemble the various advantages and disadvantages of the materials of manufacture.But still do not forget that miser pays twice!