The robust, durable and wear-resistant composite makes the crown resistant to any external factors and damages, which is very convenient for busy people who have to renew the prosthesis every year.
In order to decipher the name of the product, it is necessary to look deeper into the structure of the structure and material itself, to understand what a ceramic-ceramic crown looks like( before and after photos are indicated below).
Such systems consist of a dense, solid carcass made of a medical alloy( cobalt and chromium, chromium and nickel, etc.).In some cases, elite compounds are used from non-ferrous metals( platinum, gold, palladium, etc.), which makes the system even more reliable and at the same time less allergenic.The use of gold for making the frame allows you to choose the most natural color crown, so this design is often used for prosthetics of the front teeth.
Metal-ceramic crown: photo before and after installation
The carcass is applied layer by layer of ceramic.This work is done by technologists on your individual casts, which makes it possible to make teeth from cermets( the photo before and after is given above) as accurately and naturally as possible.After the creation of the product, it is fired in an oven at 800-900 ° C, which strengthens the chemical bonding of all materials in its base.
Prosthetic technology Before installing the ceramic-metal crowns, the doctor must prepare the mouth cavity in the area where the system will be fixed.
To begin with, a dental X-ray is produced, and we get a snapshot of the area.The dentist studies whether there are active diseases or pathological processes in the root of the tooth, at its base.
When diagnosing diseases, the tooth should be treated, get rid of caries and dark plaque, restore soft tissues.
The next step is depulpation of the supporting tooth.It is necessary if there is an inflammation of the root, an illiterate previous filling, damage and destruction of the tooth.Also mandatory removal of the nerve in the front teeth.
In the case where half of the supporting tooth is destroyed or severely damaged, a pin is inserted into the channel.It is used to build up the missing crown part with the help of a dental composite for sealing.If, before dental prosthetics with cermet, the tooth was damaged or destroyed to the base or has thinned walls, then it can be restored only using a cultic insert.
After the sanation of the oral cavity and restoration of the surface of the supporting tooth, they pass to its turning, giving the volume of the future crown.The dentist polishes the surface to form a suitable stump.From it, then an individual mold is taken and sent to the laboratory for the manufacture of the prosthesis.
Ceramic ceramic crown for the posterior teeth before and after
At this time, the patient is offered to install temporary plastic prostheses for aesthetic restoration of the dentition, protection of the weakened turned tooth and for personal comfort.Making crowns of cermets( photos before and after installation are given above) can take from 2 to 3 weeks.
When the system is ready, it should be fixed in the patient's mouth.For the beginning there is a fitting, the patient describes the sensations from the operation of the new tooth.For this, the dentist fixes the crown with temporary cement for several months.If the patient is comfortable, he does not feel the presence of a foreign body in the oral cavity and an additional fitting of the prosthesis is not needed, then the temporary cement is replaced by a long-term one.
Care of the prosthesis After fixing the metal-ceramic crown, the dentist will necessarily consult on the issues of regular oral hygiene and the features of care for the implant.
First of all, regular care includes brushing your teeth after every meal.To clean the teeth and the crown should be correct: carry out the tracing movements from the base to the cutting end, as well as circular motions.A brush can be selected any, but it is forbidden to use it more than the recommended time, which is determined by the color indicator on the bristles.By the way, the bristles should be soft enough, and the paste does not contain abrasive components.
After brushing, be sure to use the brush for the interdental space and the dental floss.
Several times a week, treat the oral cavity with an irrigator filled with a disinfectant solution or herbal decoction.
The service life of the cermet after denture varies from 7 to 15 years, depending on the conditions of use and the quality of hygiene.But during the injury, mechanical damage, strong masticatory loads, the material may be crumbled or chipped.In this situation, restoration of the product is required.
Service life of the metal-ceramic varies from 7 to 15 years
If a metal framework is exposed in the process of destruction, the crown must be replaced with a new one.If a small element is broken off, then it can be restored with the help of a filling composite, as in the case of a living tooth.
A regular trip to the dentist and the timely replacement of the product will avoid chipping, loosening and dropping of the implant in the future.
Advantages of prosthetics with cermet Cermets made of cermets have their pros and cons.
Let's look at the positive aspects of this type of prosthetics.
The material allows you to restore the natural individual tooth shape, structure, texture and color of the enamel.The anatomical shape returns a full-fledged chewing and speech function, so you can perform prosthetics even with adentia( complete absence of teeth). Products are resistant to wear, abrasion, crumbling and crushing, so they are not afraid of maximum chewing load, external factors. The service life of crowns reaches 17 years! These prostheses are used to restore absolutely any kind of teeth( incisors, canines, chewing, third molars, etc.) and their number( 1, several, all). Metal-ceramic dentures are installed very tightly on the supporting tooth, which allows to preserve its health and strength. After implantation, the probability of implant rejection is minimal. After prosthetics with cermet, the probability of implant rejection is minimal
Quick adaptation to the system due to the natural form, texture, weight of the crown and the functions performed.A man gets used to a prosthesis in a few weeks, or even days. Materials for the production of the product are biocompatible with the body, ecological and non-toxic. Care of the system is simple and does not burden even a busy person. The material is very hygienic, it is not affected by pathological microflora, bacteria, fungi, etc. This is why it is the ideal solution for people with chronic diseases of the oral cavity, for example, with periodontitis, stomatitis, etc.
Also the crown does not change color over time( does not turn yellow), and also under the influence of food dyes, nicotine, caffeine and other natural pigments. In addition to the pluses, metal-ceramic crowns have disadvantages, unfortunately.
A metal pin in the base of the crown does not let out the natural color.This can become noticeable when adjacent to a live glossy tooth, so cermet is rarely used for prosthetics of a single front tooth. Before fixing the prosthesis, a sharpening of a healthy tooth is necessary, which severely damages its tissues. Increased strength of ceramics - not always a plus.Teeth located on the opposite jaw can be destroyed and erased when in contact with the surface of the prosthesis, which leads to pain, sensitivity, chips and fractures.Also, despite the claimed wear resistance, the ceramic coating is still subject to fracture and chips. Sometimes when prosthetics with cermets, a metal frame can appear( this often happens when the gums are lowered).This worsens the aesthetic performance of the model. A chip of a metal-ceramic crown
Many patients have an allergy to metal, including noble. Unable to bleach the product.Many patients are interested in whether it is possible to whiten the cermet teeth( photo below) during long-term operation.Unfortunately, all dental products penetrate only into natural enamel, so you can adjust it to the color of the implant or spend more time choosing the ideal color for the ceramics.Also, you should periodically perform professional tooth cleaning, which produces a whitening effect and returns a smile to aesthetics and shine.Do not forget and polish the implants( and this is possible), removing traces of calcareous plaque, tartar. Selection of tooth color
We examined how teeth are inserted from cermets, what advantages and disadvantages they have, and nuances of care.It can be concluded that such crowns by modern standards are considered the most aesthetic, durable and durable, completely restore the functionality of the oral cavity and repeat the anatomical forms of the tooth.With proper care and regular visits to the dentist( every six months or a year), they will serve you for more than ten years without chips and damage.
