How to strengthen tooth enamel?
Enamel protects dentin and pulp from the aggressive effects of environmental factors. This is one of the strongest tissues of the human body. But she also needs care and strengthening.
When does the question of enamel strengthening arise?
People who at least once in their life have experienced such symptoms as:
increased sensitivity of teeth to cold, hot and sweet foods; Continue reading
The ruby laser is the first working model of a quantum generator. It was designed and launched in 1960 by Theodore Maiman at the Hughes Research Laboratory in Malibu, USA. A prerequisite for the creation of the laser was a series of theoretical and experimental studies on the spectral properties of ruby. Although some scientists, for example N.G. Basov, argued that the properties of ruby would not allow its use as an active element of the laser.
Nevertheless, a ruby laser was created and its ability to emit an intense, very narrow beam of red light of the same wavelength was demonstrated.
At the dawn of aesthetic medicine, the ruby laser became a pioneer to solve many cosmetic flaws. But Continue reading
Each representative of the fair sex considers lips to be the most important part of the face and image as a whole, so this area is given so much attention in aesthetic medicine. Women at all times tried to emphasize this area: they used means that enhance the color and gloss of the lips, and now for several years now the girls have been putting duck lips or duck face on their photos.
The Duck trend has captured the world so much that scientists wondered why women so want to accentuate the lips, change and increase their shape and volume.
Scottish scientists even conducted a study, the results of which were published in The Journal of Sexual Continue reading