Inlay into the root under the crown. Processing of finished inlays and their fixation in the teeth

From this article you will learn:

what is a stump tab: photos, videos,
their advantages over pins and fillings,
stump inlay: price 2019.

Stump inlays in dentistry (Fig. 1) are used to restore severely damaged teeth, on which it is planned to put artificial crowns in the future. This inlay is a better alternative to restoring teeth with conventional filling material and a pin.

If a tooth is severely damaged, then in order to fix an artificial crown on it, it is first necessary to partially restore the coronal part of the tooth. Bad dentists use a regular metal pin and filling to restore a tooth under a crown, despite the fact that most often such treatment leads to the rapid loss of the crown along with the pin.

Stump inlay for a tooth under a crown: photo

Thus, the inlay for the crown is designed to be fixed to it. It is called a stump because after fixing such an inlay in the root canal, its appearance is the stump of a tooth ground for a crown (Fig. 1-3). Such inlays are the best option for fixing artificial crowns if the tooth has been completely or almost completely destroyed.

Why are stump inlays needed?

Why do dentists most often restore severely damaged teeth not with core inlays, but with pins and fillings? The fact is that usually the patient first sees a general dentist, who will treat all your teeth, and only then, if necessary, send you to an orthopedic dentist (prosthetist).

In most cases, in order to spoil the relationship with the patient and not have to re-treat the tooth again at your expense, the prosthetist grinds down the teeth restored with pins and fillings, takes impressions from which crowns will be made. But according to the rules, it is recommended to restore a tooth under a crown with a pin and filling only if a sufficient amount of the tooth’s own tissue has been preserved (Fig. 4-6).

Restoring a tooth under a crown with a pin and filling –

Important : however, when only the root or very thin walls remain of the tooth, restoring the tooth with a pin is fraught with two complications. Firstly, one day the root simply cannot withstand the chewing load and will crack (a tooth root fracture will occur). And this will require tooth extraction.

Secondly, with this treatment, the artificial crown, along with the pin and filling, often falls out. If this happens, the tooth will need to be completely re-treated and a new crown made, which will require new financial expenses. Some doctors try to glue such fallen crowns with pins to cement, but most often it ends with the crown falling out again, or starting to fall out.

Clinical situation –
Below you can see a clinical situation when a patient complained of severe mobility of a metal-ceramic crown (Fig. 7). During the examination, the crown was removed using finger force. In Fig. 8 we can see a pin protruding from the crown, and in Fig. 9 we see a view of the rotted tooth root after removing the crown and pin.

Tab on a tooth under a crown: types

To make a stump inlay in a tooth, you first need to see a dentist-therapist. Next, the orthopedic dentist comes into play, unfills the upper part of the root canal to the planned length of the root part of the tab, and takes an impression.

In Fig. 10-13 you can see the main stages of tooth prosthetics with a metal-ceramic crown, starting from the initial situation (when the tooth is completely destroyed) - until the moment of fixing the crown to the stump inlay. Please note that Fig. 11 shows a cast metal stump made from a cobalt-chromium alloy.

Types of stump inlays –

As we have already said: the stump tab has a coronal part (similar to the stump of a tooth ground for a crown), and a root part, which is fixed in the root canal. The root part looks like a metal pin, which is why dentists use a stump pin. Moreover, there can be 1, 2 or 3 such “pins” - this will depend on the number of roots/root canals in the tooth.

Dividing tabs by the number of root canals –

single-root/single-channel (Fig. 11),
two-root/two-channel (Fig. 15),
three-root/three-channel (Fig. 14).

Multi-channel tabs (two- and three-root) - very often made collapsible (Fig. 15). This is done because several root canals in one tooth almost always do not have a parallel direction, and therefore it will be simply impossible to insert a non-removable tab into such root canals. Multichannel collapsible inlays are always more expensive due to more complex manufacturing (see prices below).

Stump tab for a crown: video

Materials from which stump inlays are made -

Depending on the material of manufacture, stump inlays are divided into metal and ceramic. Metal ones are made mainly from a cobalt-chromium alloy, and they are intended for crowns made of or under (you can see such metal inlays in Fig. 1,3,11,12,14,15).

Ceramic core inlay for a tooth - made of zirconium dioxide. This is due to the fact that ceramic crowns are relatively translucent, which means that the metal of a regular core inlay will shine through the ceramic, giving it a terrible gray-bluish color. Therefore, artificial inlays are made only from ceramics (zirconium dioxide), which will allow you to achieve excellent aesthetics.

Ceramic core inlay and crown (zirconia) –

How much does a stump tab cost: price 2019

How much does a stump inlay cost: the price for 2019 in economy-class clinics in Moscow primarily depends on the material of manufacture. For metal-ceramic and cast metal crowns, inlays are made of metal (cobalt-chromium alloy). Such inlays will cost much less than a ceramic inlay made of zirconium dioxide.

one- or two-root metal tab – from 4,000 rubles.
three-root metal tab – from 4,500 rubles.
stump inlay made of zirconium dioxide – price from 8,000 rubles.

Pros and cons of stump inlays –

Design reliability –
reliability is higher because such a design as “tooth root – stump inlay – tooth crown” holds and distributes the chewing load much better than the “tooth root – pin – filling – tooth crown” design. This will avoid both fracture of the tooth root and loss of the crown with the pin.
Long service life of crowns –
Ideally, the service life of artificial crowns is 10-15 years. However, in most cases, such a service life is simply impossible if the tooth was almost completely destroyed and was restored under a crown using a pin and filling.

Minuses: a higher total cost of prosthetics, plus the terms of prosthetics will increase slightly. In addition, the manufacture of multi-channel collapsible inlays requires highly qualified orthopedic dentists and dental technicians.

Crown inlays: contraindications

We have already said that the indications for using inlays for crowns are the complete destruction of the tooth crown, or if only thin walls remain of the crown. However, there are also contraindications to their use -

the root of the tooth should not be destroyed below the gum level,
root canals must be properly sealed,
there must be no inflammatory processes at the roots of the teeth,
allergy to the materials of the tab (allergy to metal is rare),
cannot be installed on mobile teeth.

Important : if your root is destroyed just below the level of the gum (by 1-2 mm), then in some cases it will still be possible to make a stump inlay on it. To do this, the gums around the root of the tooth are peeled off and the bone tissue is cut down with a bur (an osteotomy is performed). Such a height of bone tissue is removed so that the gum mucosa is just below the level of root destruction. Osteotomy is performed by a dental surgeon and is quite inexpensive.

The stump inlay is a specially manufactured structure that is made from a tooth impression. In the future, it will be fixed to the incisor in order to recreate its original shape. This method is used to restore severely damaged teeth. The stump inlay consists of a coronal and also a root part. The root part is securely fixed in the root canal. The coronal part is prepared for the crown so that it looks like a tooth stump.

The stump insert differs from the pin in that that it is installed in several approaches. But this method of installing it can guarantee that the tooth will not subsequently break or be destroyed.

The stump tab is able to distribute the load on the tooth evenly. This is its main and most significant difference from the pin. The system is attached to a special compound, which ensures a good fit of the entire structure to the remaining tooth. And its installation also prevents the occurrence of cracks.

Types of tabs

Stump inlays can be of various types. According to the manufacturing method, such inlays are divided into cast and collapsible.

Cast stump inlay

It is manufactured using high temperature and also pressure. The tab consists of several components:

the main part that will restore the tooth;
a fixing pin, which serves to secure the system in the tooth canal.

Such an inlay is made if the root has three or four channels. This will be the stump pin tab. Some types of pins are also made removable, since they are very difficult to install in the root canal.

Such stump pin inlays will differ little in function from the cast one. The collapsible system will ideally fit the shape of the cutter. Once it is installed, it will be impossible to remove it. That is why collapsible stump inlays are manufactured and installed with a lifetime warranty. There are several types of structures. It all depends on the material from which the core system for the tooth will be made.

Metal tab. This type of structure is made of chromium-cobalt alloy, and precious metals and their alloys can also be used. These structures are very reliable; they are made of composite materials. But the problem is that such materials do not look very aesthetically pleasing on the incisors. That is why they are usually used for the destruction of chewing teeth. Because they will not fall into the smile line. A gold system is ideal for restoring a chewing tooth.
All-ceramic. This design is made from pressed ceramics and zirconium dioxide. This is a very durable structure that is not inferior even to metal. Designs made from pressed ceramics look quite aesthetically pleasing and resemble a porcelain inlay. The production of all-ceramic structures is automated. That is why the possibility of caries formation in this place is excluded. If it is necessary to use the restoration of anterior teeth, then the stump system is placed in front.
Metal-ceramic. The quality of this tab is significantly worse than that of previous options. Such designs very often fall out. This is explained by the fact that there is a difference in the thermal expansion of metal and ceramics.
Stump structure made of composite material. At the moment, these types of inlays are used very rarely, since the quality is not much different from a simple filling. But at the same time the price is much higher. This is very unfavorable in terms of price-quality ratio.

Application of the stump structure

Some people believe that a stump structure can be placed under any circumstances. And they go to the doctor with a similar problem. But the system can only be installed if the root is not damaged. This must be taken into account so as not to make an appointment with the wrong dentist in vain and incorrectly calculate the costs.

The stump structure can be used in the following cases:

Contraindications

The stump tab cannot be installed in these cases:

there is gum disease in the place where it is necessary to install a stump insert;
congenital tooth root defect;
there is pathological mobility of teeth;
poor-quality root canal size;
there is an allergic reaction to some alloys from which the structure will be made.

Installation of the stump tab

Recovery after surgery

Before the procedure, the tooth is prepared. This means that after installing the required structure, some complications may arise. This can be repeated caries, as well as the development of pulpitis. Sometimes pain occurs. To prevent such symptoms from occurring, after the operation it is necessary to strictly follow all the recommendations given by the dentist.

Questions most frequently asked by patients

Very often it is difficult for a person to choose a method of restoring a tooth using a core structure. To help you understand, below are the most frequently asked questions, answered by qualified specialists.

What material is best to use for the stump insert? Many people recommend gold. Is this material suitable for installation?

Answer: inlays that are made of gold will always be biocompatible and can also transfer uniform load to the tooth. But it is advisable to use such material on chewing teeth.

How long will the stump tab last? They are said to break down after 5 or 10 years. Is it true?

Answer: if the patient follows proper care, the structure can last longer. The most durable systems are gold or zirconium. But we must not forget about proper cleaning of the structure. If this is not done, then no material will last long.

What material is the best crown to place on the stump tab?.

Answer: in the event that the stump structure is made of ceramics, then the crown should also be made of the same material. If the structure is metal, then the crown should be made of metal. The materials must be identical. The stump tab under the crown and the crown itself can only be made of the same material in order to avoid various unpleasant consequences.

Advantages and disadvantages

The stump structure has many advantages over other types of structures.

Positive features

Design disadvantages

High price.
It is necessary to remove most of the living tissue from the teeth to ensure a good fit of the material.
Proper care. Once the structure is installed, very good oral hygiene must be maintained. You need to brush your teeth at least twice a day and use a good toothbrush and toothpaste. Maintaining good hygiene will cost more money than usual.

Hygiene

To clean the surface of the dental structure, as well as the gums adjacent to it, it is better to use a brush with very soft bristles. The interdental spaces must be cleaned using floss or a brush. After each meal, you must thoroughly rinse your mouth with warm water or a special solution that has anti-inflammatory properties. It is necessary to visit your doctor for examination approximately 2 times a year. More often is better.

Prices for tabs

A rather expensive method of prosthetics is the stump tab. The most affordable is cobalt-chrome design. Their prices are significantly lower than those made from precious metals or ceramics.

Lifetime

If you follow all the rules of hygiene, then the service life of the structure can be 10 years or more. If the tab is made of gold, its service life is 15 and 20 years. You need to carefully take care of the installed structure so that it lasts for a very long time.

Having studied all the properties described above, as well as the options for inlays, you can make the necessary decisions when installing the stump structure. Take care of your teeth and be healthy.

A tooth inlay for a crown is an orthopedic structure that is installed in the root of the tooth and creates a stump for reliable fixation of the crown. To make a core inlay, the dentist performs canal treatment, filling and taking an impression, from which the dental technician makes the finished structure.

What is a tab

Stump inlays are made when the tooth crown is completely destroyed, but the root is preserved. They come in metal, ceramic and composite. The dentist performs canal treatment and installs an inlay, one part of which is fixed in the canal, and the second protrudes above the root and is called the tooth stump. The tab is fixed with special durable dental cement.

The inlay is a very important and used design during prosthetics, which is little known to patients due to its hidden location. Fixed at the root and covered with a crown, the structure is not noticeable during examination of the oral cavity. Despite this, an individual tab performs several important functions:

Restoration of the tooth stump;
Serves as a support for orthopedic structures;
Distributes chewing pressure.

Which is better: a pin or an inlay for a crown?

A custom post and inlay are used to strengthen the tooth. This need arises after removal of the nerve and root canal treatment, as the tooth becomes fragile and can break under chewing pressure. Orthopedic structures extend the life of teeth by strengthening them.

A stump inlay is made when the dental crown is completely destroyed or 1-2 walls of the tooth are preserved. A pin is inserted into the root canal if one, or less often two, walls are missing. The dentist must choose a design for tooth restoration based on the condition of the tissues, but the patient’s wishes are always taken into account. Stump inlays have some advantages over the pin:

It is made individually, so it fits tightly to the walls of the tooth;
Has high strength;
Made from various materials;
It is possible to use a folding tab in multi-rooted teeth;
Resistance to mechanical and chemical irritants;
Reduces the load on other teeth and distributes chewing pressure;
It is a reliable support not only for crowns, but also for bridges;
Possibility of use in case of complete destruction of the crown part of the tooth;
Fills the channel tightly and does not create access to the channel for microorganisms.

The disadvantages of inlays include a more expensive cost compared to pins, the need to visit the dentist twice, and the need for professionalism from a doctor and dental technician.

How to make it: manufacturing

According to the manufacturing method, the tabs are either cast or folding. Cast metals are made by pouring metal under high temperature and pressure. Folding inlays are removable; if necessary, pins can be added and the structures can be used in multi-rooted teeth. This tab is very durable, but difficult to manufacture. Dental technicians make several types of core inlays for crowns:

Metal. They are made from various metals, the most common being an alloy of cobalt and chromium. If necessary, gold inlays are made;
Based on zirconium dioxide. This material is the newest and most improved in dental practice. Zirconium-based products have excellent qualities; they are very durable, biocompatible and highly aesthetic. The only disadvantage of the material is its high cost;
Ceramic. The inlays consist of pressed ceramics under high pressure and temperature. The design is very aesthetic and not noticeable to others;
Composite structures are rarely made due to the low strength of the material.

The production of the inlay consists of clinical and laboratory stages of treatment:

Preparation. At this stage, the doctor conducts examinations, makes a diagnosis and offers the patient treatment options. Under the tab, treatment and filling of the canal or canals of the teeth is carried out;
Tooth treatment and impression taking. At the next visit, after the material has hardened in the root canals, the root is treated under the tab. Half of the channel is cleaned and removed to make room for the structure. Next, the doctor takes a double impression of the inside of the root and the tooth as a whole. The impression is obtained using special alginate or silicone materials;
Making a structure in a dental laboratory. The dental technician casts models based on impressions and uses the models to make an individual core inlay. When making a cast and folding tab, the procedure will be slightly different, as when making a structure from different types of material;
Fixing a tab. After production, the work is transferred to the clinic, the dentist tries on and fixes the finished structure. For this purpose, special materials are used that make it possible to firmly and efficiently connect the root walls and the tab.

Installation

Installing an inlay on a tooth is one of the most important stages of treatment. The finished structure is handed over from the dental technician to the attending dentist, who installs it. To do this, antiseptic treatment of the tab with 96% alcohol and preparation of the root canal is carried out. Canal preparation includes removing the temporary filling, rinsing the canal, treating with an antiseptic and air drying.

The dental assistant prepares the material on which the inlay will be installed. Part of the material is introduced into the channel using channel fillers, and the second part is applied to the insert. Next, the doctor inserts the structure into the root and firmly fixes it for several minutes until the dental material hardens. The remaining material is removed using instruments; the tooth stump should not interfere with biting.

After fixing the inlay, the stage of re-taking impressions for further production of the crown occurs. When the fixing material hardens and the structure is securely attached to the canal, an impression material is applied to the tooth area. The finished impressions are transferred to a dental technician to make crowns or bridges.

Life time

The tab is a very durable structure that is almost impossible to break. The design has these properties thanks to the material and manufacturing technique, during which the insert is further strengthened. The service life of the inlay is about 7-10 years and most often it is equal to the service life of the crown.

If a crown or inlay is unsealed, it can be re-fixed in the canal. The structure can last as long as the root exists. To maintain dental health and prolong the service life of orthopedic structures, it is necessary to adhere to the rules of hygienic care of the oral cavity and increase immunity.

How much does a crown inlay cost?

The price of a crown inlay will depend on many factors:

Type of material;
The number of roots in the tooth;
Dental clinic;
Dental laboratory equipment;
Professionalism of the doctor and dental technician;
Urgency of order;
The amount of use of additional dental materials, including fixing cement.

The approximate cost of a metal inlay for a single-rooted tooth will be about 2,000 rubles, a two-rooted one about 3,000 rubles, and a three-rooted one about 4,000 rubles. A zirconium dioxide inlay costs from 8,000 rubles, and a gold inlay from 10,000 rubles.

Question answer

If the crown on the inlay is loose

One of the most common problems and complications with an inlay is crown mobility. The question arises: what to do if the crown on the inlay is loose? This situation occurs in the following cases:

The crown was unfilled;
The tab was unsealed;
The crown has broken;
The root of the tooth broke;
The tab broke (this happens very rarely in multi-rooted teeth).

In all situations, only a specialist can provide assistance, so you need to make an appointment with a dentist as soon as possible. There is no need to self-medicate, as this can further damage the structure or root of the tooth.

The doctor’s tactics will depend on the cause of the breakdown. If for some reason the cement has dissolved, then you can simply refix the structure. If an inlay or crown breaks, it will be necessary to re-make the structure. If the root is cracked or destroyed, then there is a risk of having to remove the root and make a new orthopedic structure.

The pin stump inlay is a special technological solution designed to serve as a kind of “foundation” on which both one and several crowns are fixed. It is worth noting that this design is installed for the patient in extreme cases - in case of significant damage to the base of the tooth. To perform its functions, the tab must be located in the dental canal.

It is noteworthy that the stump inlay using a pin comes in two versions: with a metal or ceramic base.

Purpose and application

This is what a post stump looks like in the mouth

When visiting a dentist, in some cases, a client with a damaged tooth wants it to be restored rather than replaced with an implant. It is for these purposes that the use of a stump pin tab will be very useful, since thanks to it the load on the extended tooth will be distributed evenly.

In general, the sequence of work is as follows:

The specialist obtains the design of the inlay from a cast of either a ceramic or metal material of your choice. After this, it is installed in the prepared dental canal and secured using an appropriate solution. Only after this the damaged tooth is restored (a crown is installed).

The use of pins when building up a problem tooth is justified only if it is destroyed by no more than half. However, if a large part of the tooth is missing, then the most preferred treatment method will be.

Despite the fact that quite a lot of time is spent on its creation, this approach to solving the problem that has arisen for the patient has many advantages, the main ones being the reliability and sufficient durability of the structure (it is designed to operate for several decades). Other advantages of the cast stump insert:

Securely attaches to dental tubules. At the same time, the possibility of bacteria reaching living tooth tissues is blocked, which in turn prevents the occurrence of caries-forming processes in them.
Thanks to the design, the load on the chewing apparatus occurs evenly. This fact has a positive effect on the resistance of the dental tissue surface to damage.
If a crown is placed on a tooth, then the crown is replaced without removing the pin tab.
It can also be used in cases where the tooth root is damaged.
The inlay is suitable as a “foundation” for both individual crowns and entire bridge blocks.
The product has an excellent level of strength, achieved due to the simultaneous casting of both the inlay and the pin.

Read also: Teeth extension. Cost, prices for treatment, photo + video

Variety of material

Sectional view of a tooth with an inlay

The main qualities of the material used for the manufacture of pin stump inlays are reliability, durability, and good retention of the original shape specified during casting.

The following metals and their alloys are endowed with these properties:

Gold. The yellow metal has always been valued due to its special properties that allow it to be resistant to the emergence and development of various destruction processes, as well as its ability to relatively easily take the required shape. Generally speaking, inlays made from this material are most preferable for installation.
Ceramics. It has a wide range of possibilities in terms of giving it the desired color. Due to this fact, the installation of ceramic core inlays is practiced primarily for the restoration of the dentition located in the front part of the mouth.
Separate metals and their alloys: nickel, chrome, silver, titanium, steel. Each of them has its own disadvantages. Only the attending physician can tell how critical they are for a particular tooth.
Cobalt-chrome insert. It is used to restore chewing teeth, but there may be contraindications in the form of allergic reactions in the patient.

Quite often there is a need for a single tooth restoration. In this case, while preserving the roots, there is no need to install bridges; installing a crown is quite sufficient.

However, the crown is a hollow structure and requires some filling to properly distribute the load and extend its service life. Nowadays, special tabs are often used as such filling.

What is it and why is it needed?

The tabs represent one-piece construction consisting of two parts. The upper one resembles a tooth stump, which has already been previously ground for installing a crown.

That is why they can be called stump ones. The lower or root part acts as a pin and looks like a rod.

The crown part can be of any shape, as it is made in dental laboratories using individual impressions. It can completely replicate the original shape of the tooth and can even be used separately, without a crown.

The lower part is made depending on the characteristics of the tooth and can be double or even triple. In this case, the structure may not be solid, but collapsible.

Only some pins are removable; this is necessary to facilitate installation in the case of a complex multi-channel tooth shape, unusual channel arrangement, and so on.

To make it more clear what will be discussed in the article, watch the following video:

What are they used for?

Typically, such structures are used in cases where it is impossible to install a filling or a regular pin, that is, there is not enough remaining tooth tissue for the devices.

Most often, inlays are used when only the roots remain or there is no internal filling, and only thin walls of the tooth remain, which can very easily collapse.

Also tabs do not shrink over time, this makes the installation of the crown even better and prevents it from loosening, breaking, etc.

In addition, these designs allow you to completely remove all tissues infected with caries, which prevents its reappearance and the occurrence of pain under the crowns.

Advantages over other methods

Of course, installing an inlay and a crown on top is not the only way to restore the chewing and aesthetic function of teeth.

Advantages

Crown inlays, also called core inlays, have a number of advantages that other methods, such as standard pins, do not have.

There are no chemical bonds between the crown and the inner part, so they better withstand loads due to the multi-layer structure.
Cementing allows you to achieve a minimal wedging effect. This occurs due to the distribution of chewing loads on the inlay itself, the root and the crown over the entire surface.
Disconnection is eliminated due to the integrity of the structure.
Extending the life of the crown.
Maximum contact area both to the residual tooth tissues and to the crown.
The ability to be used not only as an integral part of the “ligament-crown” structure, but also as an independent means of restoring the chewing surface.

Flaws

Any orthopedic and dental structures have relatively negative properties. The same applies to inlays installed under the crown.

Forced tooth preparation is somewhat greater than when using other methods.
There is a laboratory stage, so the treatment period increases - impressions, model making, fitting, final casting and installation are necessary. Therefore, in most cases, all this is done in two rather than one visit.
Quite a high cost, especially when used to make ceramics or gold alloy.

Varieties

If we talk about the varieties of these structures, which are designed to restore the volume of the upper part of the tooth under the crown, then there are two main characteristics by which they differ.

A few words have already been said about the first - this solid and collapsible devices. However, here the choice almost always depends on the anatomical features of the tooth being restored and specific needs.

The second sign is this is the material from which the structure will be made. It is worth talking about in more detail, since not only the properties of the tab depend on it, but also the service life of the product and its final cost.

Varieties according to the material used

Composite. They are quite popular because they have sufficient strength, durability and the necessary adhesion to natural fabrics.
Ceramic. They best imitate natural enamel, are durable and have a high percentage of aesthetics.
From zirconium dioxide. They have the strength of metal, and the aesthetic qualities are equal to high-quality ceramics.
Metal. For manufacturing, not pure metals are used, but alloys that have different properties and also costs.

You will find detailed information about composite tabs in the following video:

Indications and contraindications

In fact, we can single out one main indication - very deep caries, which led to severe destruction of the hard tissues of the teeth. Such destruction may include the loss of 55–60% of the tooth.

Sometimes these destructions may not even reach this level, but have a complex specific shape, which results in the removal of the affected tissue over several visits to the dentist. Then it is no longer possible to put a filling, since it simply will not hold, despite the quality of the materials used.

Indications

So, here is a list of possible indications:

rapid development of damage called;
injuries to the hard tissue of the tooth - chips, fractures and other mechanical damage;
dysplasia of tooth tissue;
enamel hypoplasia;
support for subsequent installation of bridges;
an integral part of a complex structure with a crown.

Contraindications

Like most dental structures, inlays installed under crowns also have a small list of contraindications:

strong activation of carious processes;
small depth or volume of the cavity;
a cavity extending deep into the dentin, which is in contact with the adjacent tooth - approximal;
presence of bruxism –;
insufficient oral hygiene measures.

How to install - description of the procedure

The installation process in all cases takes place in several mandatory steps. Strict adherence to the technique is necessary to ensure maximum effect and longer service life.

Carrying out various preparatory work. This includes various actions of the dentist-therapist to eliminate tissues infected with caries, as well as treating the resulting cavity with antiseptic drugs.
Taking impressions. After completing the preparatory measures, the doctor takes an impression of the damaged tooth, as well as the neighboring ones. This is necessary for precise positioning of the future structure.
Installing a temporary filling. During the time required to restore the tooth, it is advisable to close the formed cavity and protect the tooth from aggressive external factors. To do this, temporary fillings are used from the simplest materials while the inlay is made in the laboratory.
Direct installation. After all the stages have been completed, the doctor removes the temporary filling and uses a special solution to fix an inlay made exactly to the size of the cavity.

In fact, installing an inlay belongs to the category of so-called independent microprosthetics, or is an important step in dental prosthetics.

Life time

Photo: Prosthetics with a metal-ceramic crown using a metal inlay

Despite the fact that inlays are much stronger than conventional fillings, even modern ones, they also have their own service life. Made from the simplest materials, they will last at least 4–5 years.
This period can be increased if the work of the orthopedic doctor and the dental technician is coordinated and very accurate. Then time reaches 8–10 years.

The better the design is adjusted to the anatomical features in each specific case, the longer it will last.

Also, the time that the insert will serve without changing its original properties greatly depends on the material of manufacture - silver, zirconium, etc. The ones that currently serve the longest are designs made of gold are about 15 or 20 years.

Due to its anti-corrosion properties, this material does not react to external factors, and its relative softness allows it to reduce the load on nearby tissues and distribute it correctly.

Prices

The cost depends on several factors, including the type, material of manufacture, specific clinic and some others. The first two factors are critical to the final price.

First of all, it's "size". Here is the approximate cost of various tabs using the same inexpensive materials (metal alloy):

cognate– from 2.5 thousand rubles;
two-root– 3.5 thousand;
three-root– from 4.5 thousand;

The use of improved materials immediately increases the cost. For example, a single-root structure made of zirconium dioxide will cost at least 8 thousand rubles, but this is in a clinic with a low price level.

And in an expensive dental center, a complex structure made from this material can cost up to 25 thousand. The same applies to ceramic materials. Their cost is at least 20 thousand.