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contrast-DENH

QuestionAnswer
what is contrast between film/object? degrees of blackness between areas
what is high contrast(SHORT)? black & white (KVP less than 65), NOT GOOD FOR PATHOLOGIES
WHAT IS LOW CONTRAST(LONG)? SHADES OF GREY (KVP 90-100), GOOD FOR CARIES & BONE LOSS
WHAT IS CONTRAST: FILM/OBJECT DETERMINED BY? THICKNESS OF OBJECT, DENSITY OF OBJECT, CHEMICAL COMPOSITION OF OBJECT, QUALITY OF BEAM (KVP), AND SCATTER RADIATION
WHAT IS CONTRAST: FILM? SHOWS DIFFERENCES IN SUBJECT (DENSITY)
WHAT IS CONTRAST: FILM DETERMINED BY? AMT OF RADIATION/EXPOSURE, PROPERTIES OF FILM, INTENSIFYING SCREENS, FILM PROCESSING,VIEWING CONDITIONS
Created by: 564399687