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Int. j. morphol ; 25(3): 573-578, Sept. 2007. ilus, tab
Article in English | LILACS | ID: lil-626906

ABSTRACT

The aim of this article is to present a singular and practical method to compare roentgenograms, concerning optical density and contrast. This method is specifically indicated for research related to stepwedge penetrometer and photodensitometer.


El objetivo de este artículo es presentar un método singular y práctico para comparar roentgenogramas, referentes a la densidad óptica y al contraste. Este método se indica específicamente para la investigación con el penetrómetro stepwedge y el fotodensitómetro.


Subject(s)
Humans , Radiography, Dental/standards , X-Ray Film , Regression Analysis , Contrast Media , Densitometry
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