A beautiful smile is the key to success! Snow-white smile
The main wealth of a person at all times is his health. And recently, it has also become a criterion of well-being and well-being. Every day more and more people focus their attention on the condition of their teeth and the beauty of their smile, because this is a requirement of the time and one of the components of the image of a well – off person.
Thanks to the tireless work of dentists all over our country and constantly flashing commercials on television, the value of healthy teeth, fortunately, has become clear to our people. Leaving the panic fear of the dentist’s office in the distant past, we are paying more and more attention to our teeth. Requirements have increased both for the quality of treatment and the absence of pain, and to improve the aesthetic component of the result: the shape, color and naturalness of the teeth. Many patients complain about the dark color of their teeth, pigments and spots on the enamel that cannot be removed with toothpaste and a brush. It is not advisable to cover the teeth with crowns or composite and ceramic veneers – veneers, since it is necessary to remove the enamel layer, that is, to sharpen the tooth. To solve the problem of teeth whitening, there are various methods that we want to introduce you to.
There is a method of mechanical cleaning, which includes professional oral hygiene, and a method of chemical bleaching, based on the course of oxidative processes that occur as a result of the impact of atomic oxygen on the natural tissues of the teeth.
Professional hygiene of oral cavity
Everyone has probably heard about teeth whitening with Air-Flow in one day. Advertising is advertising. Using the air-abrasive system of the airflow handiblaster, manufactured by the Swiss company E. M. S., or similar systems from other manufacturers, such as Profy Mate (NSK), Profy Jet (Densply), etc., mechanical cleaning of pigmented plaque (especially smoker’s plaque), polishing of the dental surface is performed in conjunction with the removal of dental deposits. This event is mandatory for the rehabilitation of the oral cavity, prevention and treatment of periodontal diseases (the supporting and retaining apparatus of the tooth).
In the pictures, we can see teeth that have been cleaned of plaque and polished, which have been restored to their natural color by mechanical cleaning, but it is impossible to change the color of the enamel, make it lighter by several tones, which, in fact, is teeth whitening. AirFlow or similar systems are used in preparation for bleaching – they are used to remove dental deposits, stones and hard plaque, otherwise the “bleach” simply will not penetrate them.
What is bleaching?
We will also talk about bleaching – a chemical process of oxidation, as a result of which, under the influence of oxygen, organic substances are broken down to carbon dioxide and water.
During oxidation, organic substances are oxidized to intermediate products that are lighter than the original ones. During this reaction, the oxidizing substance (H2O2 – hydrogen peroxide), which has a free radical with a non-polar electron, gives it to the oxidized substance. The substance being bleached takes a non-polar electron and is thus oxidized. A low or high percentage of strong free radicals depends on the acidic or alkaline environment in which the ionization process occurs.
Back in the middle of the second half of the 19th century, articles were published about teeth lightening under the influence of hydrogen peroxide. Currently, modern bleaching systems use urea peroxide, chlorides, urea peroxide and hydrogen peroxide, one of the decomposition products of which is atomic oxygen.
The intensity of tooth color is determined by the number of paired compounds C=C. Oxidation leads to the formation of a simpler, single carbon compound, which reduces pigmentation, i.e. lightening of the teeth.
Bleaching does not affect the surface of fillings and artificial crowns, so at the end of it, color differences may appear, to eliminate which replacement of fillings or crowns covering the teeth is indicated.
Why do teeth change color?
Why do teeth turn yellow
The color of the teeth policromatica, it changes within the cervix, the cutting edge and the area of contact with the gum, depending on the thickness, degree of reflection of various shades and translucency of enamel and dentin (the inner part of the tooth). In addition, changes in enamel color are affected by:
- the predominance of food products that have a strong coloring effect: coffee, strong tea, Coca / Pepsi-Cola, blueberries, blackberries, red wine, soy sauce (tooth staining from light brown to black);
- smoking tobacco. Nicotine and a high content of various resins (even in the lightest cigarettes) cause enamel staining from yellow-brown to black shades;
- medical influence of medications during the formation of teeth. (antibiotics, especially tetracycline-type);
- chemical influence (increased fluoride content in drinking water leads to a disease called fluorosis);
Why do teeth change color?
- genetic predisposition (hereditary factor and systemic diseases suffered at an early age);
- incorrect dental intervention and complications;
- age-related discoloration of teeth
- All of the above reasons that cause discoloration of teeth are indications for bleaching.
A beautiful smile is the key to success!
Modern bleaching methods can be divided into:
- home bleaching (drug concentration from 9% to 20%);
- office bleaching (bleaching in the dental office – the concentration of the drug is 30-45%);
- energy bleaching (using various sources of heat and light energy: lamps, photopolymerizing lasers);
- combined bleaching method, which uses urea peroxide in a concentration of 34-44%.
“Restoring beauty” at home
As home bleaching methods, individual dental mouthguards are used for bleaching gel, the concentration of which varies between 9-22% .
Despite the fact that the home method is relatively slow and is carried out for 2-6 weeks (depending on the severity of the condition and some features of the structure of the tooth enamel, for example, with a disease such as fluorosis), the result is almost always remarkable. Rarely changes the sensitivity of the teeth, which is quickly restored at the end of the procedures. Teeth, lightening, retain the natural color of the entire surface and do not change their natural appearance. The desired effect is not always achieved only in teeth with tetracycline pigmentation and other types of color changes in the deep tissues of the teeth.
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Professional bleaching systems
The procedure for using the home version of Opalescence is not complicated, but it requires strict compliance with the instructions. During the first visit, the dentist determines the original color of the teeth, studies the medical history, removes dental deposits, takes casts from the dentition for subsequent production in the laboratory of individual mouthguards-tanks in which the whitening gel will be placed. During the second visit, mouthguards are tried on, they are adjusted, the patient is trained in the technique of applying the gel, the order of application is explained to him, the day or night Protocol of use, one or another toothpaste is recommended. Very good article about curcumin for teeth
The whitening effect is comfortable for the patient and others, when the shade of the teeth is lightened by 2-4 tones.
Filling materials are not bleached. Old fillings need to be replaced, as bleached teeth will be much lighter, but this should not be done before 14-15 days. During this time, all the peroxide carbamide leaves the tooth tissue, and the enamel shade is stabilized. Then you can proceed to the restoration of teeth and select the shade of the composite material corresponding to the shade of bleached enamel.
Why can’t teeth be bleached?
Contraindications to teeth whitening are:
- the presence of an allergic reaction to hydrogen peroxide or other components of the drug used in bleaching;
- lightening of surface age spots that can be easily removed by professional dental cleaning and proper oral hygiene;
- a large number of carious areas, defective fillings, periodontal diseases in the active stage, abundant dental deposits (in this case, you must first undergo oral sanitation);
- pregnancy or breast-feeding;
A beautiful smile is the key to success!
Smile with us! Dentists of our Center will help you to make your smile sparkling for a long time. The Department is equipped with the latest technology and has everything necessary to perform high-quality work: a modern dental complex, high-class x-ray equipment and materials of the latest generation. Each patient is guaranteed high-quality treatment and an individual approach to teeth whitening. If after bleaching you need to replace old fillings with defects with new ones or cure caries, all these problems can also be solved in our dental Department.
Remember that beautiful teeth are your business card in our modern world!