释义 |
DictionarySeecontrastshort-scale contrast
short-scale contrastA radiograph that demonstrates large differences in density between adjacent areas. Short-scale contrast is a result of low kilovoltage peak (kVp). In dental radiography, for example, a kVp less than about 60 must be used to produce a radiograph with short-scale contrast. See also: contrastshort-scale con·trast (shōrt-skāl kontrast) A radiographic image that shows areas mainly of black and white, and thus has high contrast. |