MODERN VIEWS ON TOOTH WHITENING

Resume. In the modern world, the appearance of teeth is of great importance. Beautiful white teeth are not only a sign of good health, but also an element of culture and well-being. Definition, the individual natural color of the teeth is mainly determined by dentin, however, the color, transparency, thickness and degree of mineralization of the enamel affect the color of dentin. Any changes in dentin and enamel during the formation, development and after teething can cause changes in light guide properties, and accordingly, changes in color. Purpose. Analysis of the sources of scientific and medical information about the features of tooth whitening by various methods and their effectiveness with the presentation of their own clinical examples. Methods. An analytical review of the literature on various methods of teeth whitening and indications and contraindications to these methods. Results. There are different options for coloring teeth and they call as external and internal. A separate category of discolors is such as internalized staining, when external chromogens penetrate into the hard tissues of the tooth. Treatment of diseases and conditions accompanied by discoloration of the teeth is complex and may include therapeutic (occupational hygiene, whitening, restoration) and orthopedic measures. Teeth whitening is a chemical oxidation process in which the color of enamel and dentin changes from dark to light. Modern bleaching systems are based on the use of preparations of hydrogen peroxide or urea peroxide in combination with activating factors. Currently, the following main types of whitening systems are widely used in dental practice: for professional use in the clinic, for home use under the supervision of a doctor, for home use without a doctor's supervision, for example, whitening toothpastes, strips, pencils and standardized caps with gel inside. The work presents various options for teeth whitening from home to clinical and professional. Indications and contraindications to the teeth whitening procedure and its protocol are given. The analysis of the results of modern scientific research in dentistry shows that now it is possible to consider that professional whitening is effective. That is why the use of high-intensity blue diode light (LED) is quite promising, especially when eliminating deep tooth pigmentation. One of the most popular brands in the world of whitening is Philips Zoom system. The Philips Zoom WhiteSpeed lamp is a fundamentally new technology in which the manufacturer has used LEDs as a light source, which has made the teeth whitening process more comfortable and safe for the patient. Conclusion. To date, researchers and manufacturers have created various well-functioning, safe and comfortable systems for whitening teeth. It is important to find various aspects of tooth whitening and possible hazards. Understanding the operation of various systems and awareness of their advantages and disadvantages will allow you to choose the most optimal system. A professional approach to teeth whitening guarantee success.