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
Dental radiographic techniques include intra- and extraoral techniques. Among the intraoral techniques, the most used are the bisector technique and the interproximal technique. These are the radiographic techniques that produce greater sharpness or details of the image of the dental structures, with the exception of CTBC. The extraoral radiographic technique most commonly used in the dental routine is the panoramic radiograph, since it encompasses the entire maxillo-mandibular complex, the teeth naturally, and neighboring structures.
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Authors:Bentham Science Books