Abstract
SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.
Abstract
Tooth decay is actually the destruction of the hard tissues of the tooth. This is caused by the acid attack due to the fermentation of carbohydrates due to bacterial attack by the bacterial species which colonize the mouth. Streptococcus mutans is the major cause of tooth decay. It occurs in different percentages in children of different ages. It is characterized by difficulty while eating, chewing, and even smiling. Clinical, radiographic, and technology-based methods are mainly used for the diagnosis of tooth decay.
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Authors:Bentham Science Books