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  • Title: The effect of automated nonroller processing on the sensitometric characteristics of 3 intraoral film types.
    Author: Geist JR, Brand JW, Pink FE.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2003 Jul; 96(1):102-11. PubMed ID: 12847452.
    Abstract:
    OBJECTIVES: We sought to compare the sensitometric characteristics of 3 intraoral film types processed in an automated roller solution with the characteristics of the films processed in 4 automated nonroller solutions. STUDY DESIGN: Eastman Kodak Ultra-Speed, Flow X-ray EV-57, and Eastman Kodak InSight films were exposed to varying levels of radiation and processed in 1 automated roller solution and in 4 nonroller solutions. Speed and contrast were measured at various density levels and ranges. RESULTS: With the exception of 1 nonroller solution, there was little difference in speed between roller and nonroller processing chemicals at various density levels. Some nonroller solutions were faster than the roller chemicals for all films. Nonroller processing mostly increased contrast compared with roller processing over various ranges. CONCLUSIONS: Sensitometric properties of films processed in automatic nonroller solutions are comparable in many cases to those in roller solutions, sometimes resulting in greater speed and contrast. Different adjustments in exposure factors are required for specific film/processing combinations.
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