Veneers are thin plates that replace the outer layer of teeth and allow you to correct their shape and color and allow:
restore acquired or congenital defects of tooth enamel
transform teeth that have darkened as a result of trauma or root canal treatment using old methods
fix chips formed on teeth
correct irregular shape of teeth
hide the presence of gaps between teeth.
Porcelain or ceramic veneers are one of the latest advances in modern dentistry. Veneering technique for the anterior surface of teeth has been developed as an alternative to all-ceramic crowns.
Production and application of ceramic veneers
Porcelain veneers are made by an indirect method, i.e. the process of tooth restoration contains a laboratory stage - they are made in a dental laboratory.
During the first visit of patient to a dentist, tooth is prepared, the color of the prosthesis is selected, a temporary veneer is applied. During the second visit, permanent veneer is applied.
For porcelain veneer to be strong enough, it has certain thickness. Therefore, layer of enamel is removed corresponding to the thickness of the future veneer.
The minimum thickness of the veneer is 0.5–0.7 mm, which allows not to remove too much enamel and provides good strength and stability.
Patient can choose shade of ceramic veneers that will exactly match the shade of own teeth. For this purpose, a set of small porcelain plates of different colors in the shape of a tooth is usually used. It is essential that your smile looks natural and it is important to choose the right ceramic veneers for your teeth.
It takes 1–2 weeks to make veneers in laboratory. During this time, a temporary veneer is made, which is done in dentist's office during patient's first visit. Its application is mandatory - after removing the enamel layer, teeth may become more sensitive to cold and hot.
Before placing porcelain veneers doctor evaluates how tightly they adhere to the tooth, checks their shape and color. Bite is also checked - it is important to know if veneer is in proper contact with the rest of the teeth.
If veneer tightly covers the tooth, has the correct shape and its color matches the color of the adjacent teeth, then the veneer is cemented. Excess cement is removed with a special instrument at the end of the procedure.
Longevity of Veneers
About 10 years
Veneers are often used in dentistry and have the following advantages:
there are no stains on porcelain veneers (surface of veneer is ceramic, but it is smooth and impervious);
ceramic veneers give the tooth a natural look (they have full transparency and thus provide a perfect resemblance to a natural tooth. Light falling on the surface of the veneer can penetrate to a certain depth inside the porcelain, and then be reflected from the dental tissues, so such dentures do not differ from the neighboring teeth);
small grinding of hard tooth tissues;
excellent aesthetics due to the absence of metal and other foreign materials.
Ceramic veneers are not recommended to be applied on teeth affected by caries and in case of periodontal diseases. First, you should completely cure them, and then you can start applying veneers.
If there is a large filling or a significant part of the dental tissue is destroyed as a result of caries or breakage, it is undesirable to apply porcelain veneers, since the teeth have already lost a large amount of hard tissue, and ceramic veneers will not significantly increase the strength of the teeth.
Bruxism is the habit of grinding your teeth hard or jaw clenching. With bruxism, ceramic veneers should not be applied, as it can easily break the veneer when squeezing or grinding. One of the main disadvantages of veneers is that they break. In this case, the dentures cannot be restored and the only way out is to replace the damaged one with a new one. If the veneer just slipped off the tooth, there is an opportunity to restore it again.
Ceramic veneers are installed only after the doctor has carefully examined the patient. If diseases are found in which prosthetics is contraindicated, then they must be cured.
Porcelain veneers can last more than ten years if you follow the rules of hygiene and undergo periodic examinations by dentist. Do not forget that, just like your own teeth, dental veneers also require care. Their cost, with proper care, turns out to be completely low, because they will serve you for a very long time.
Lifespan of veneers depends on how patient cares for them. To do this, after the operation, dentist gives patient some recommendations:
teeth should be thoroughly cleaned daily with a toothbrush and floss. Compliance with hygiene rules minimizes the accumulation of plaque and the risk of caries (caries can occur in those parts of the tooth that are not covered with veneer);
ceramic veneers are designed to improve the appearance of the tooth. They cannot withstand significant loads or forces. These forces can lead to breakage or displacement of veneers.
Damaged prosthesis cannot be repaired. It can only be replaced with a new one;
Inability to restore the tooth after removing a certain layer of tissue for the installation of veneers;
The need to comply with some nutritional rules due to the fact that the cement on which porcelain veneers are attached is not as resistant to dyes as porcelain itself.
To hide fillings that have changed their color;
To restore stained teeth in people who have undergone tetracycline treatment,
have had fluorosis, or whose teeth have changed color as a result of trauma, as well as endodontic treatment;
As an alternative to orthodontic treatment. Veneers are often used to close excessive spaces between teeth and to align the dentition.
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