Abstract
Sewerin IP. Base and fog densities of fresh Ektaspeed Plus dental X-ray films.Previous findings with regard to base and fog density of Ektaspeed Plus dental X-ray films have shown increased values compared with Ektaspeed and Ultra-Speed films, but the results are contradictory. The purpose of the present study was to measure base density, using 10 different fixing solutions, and fog density, using 10 different developing solutions at temperatures varying from 16 to 30°C. The 10 developers tested were intended for manual (three), semiautomatic (three), and automatic (four) processing. Base densities were nearly identical for all fixing products (range, 0.190–0.192). One group of six developers showed quite stable fog values for all temperatures (range, 0.190–0.259), whereas another group (four developers) showed increased values at increasing temperatures (range, 0.395–0.438 at 30°C). It is concluded that base density is within the limits of ISO standards for most Lying products but that some developers result in fog densities that are above ISO standard limits at high temperatures.
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