Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor
Background: Accurate film processing is of paramount importance in acquiring a good diagnostic radiograph. Radiographic films show variations in densities and contrast, with changes in processing conditions, and also film type, all of which are interdependent. Therefore, this research was conducted...
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Wolters Kluwer Medknow Publications
2011-01-01
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doaj-04ef611641e04f9a9f76c5666e1949502020-11-24T22:14:44ZengWolters Kluwer Medknow PublicationsJournal of International Clinical Dental Research Organization2231-07542011-01-0131182010.4103/2231-0754.115768Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processorSuchetha N MalleshiKarthikeya PatilMahima V GuledgudBackground: Accurate film processing is of paramount importance in acquiring a good diagnostic radiograph. Radiographic films show variations in densities and contrast, with changes in processing conditions, and also film type, all of which are interdependent. Therefore, this research was conducted to recognize the effect of time and temperature variations of automatic processor on the sensitometric properties of blue and green light sensitive screen films. The study also aimed to note the effect on sensitometric properties when mismatch occurred when using between the screen and film belonging to different manufacturers. Materials and Methods: Sixty green light sensitive and 60 blue light sensitive spectrally matched screen film combinations were used in the study. However, the films and the intensifying screens employed belonged to different manufacturers. These films were exposed to five different exposure times and subsequently processed in an automatic processor, using two different protocols. Initially, at constant processing time of 2.5 min, five different processing temperatures were employed. Later, maintaining constant processing temperature of 35°C and five different processing times were engaged. Density, contrast and speed were calculated, using H and D curve. Results: Results revealed increasing density, contrast and speed values with increasing processing times and temperatures of both green and blue sensitive films. Conclusion: This investigation clearly establishes the possibility of obtaining optimal sensitometric properties, despite using intensifying screens and films of different manufacturers, if spectral match is ensured.http://www.jicdro.org/article.asp?issn=2231-0754;year=2011;volume=3;issue=1;spage=18;epage=20;aulast=MalleshiImage qualityradiographyscreen-film systemstechnologyX-ray |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Suchetha N Malleshi Karthikeya Patil Mahima V Guledgud |
spellingShingle |
Suchetha N Malleshi Karthikeya Patil Mahima V Guledgud Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor Journal of International Clinical Dental Research Organization Image quality radiography screen-film systems technology X-ray |
author_facet |
Suchetha N Malleshi Karthikeya Patil Mahima V Guledgud |
author_sort |
Suchetha N Malleshi |
title |
Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
title_short |
Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
title_full |
Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
title_fullStr |
Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
title_full_unstemmed |
Optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
title_sort |
optimization of sensitometric properties of blue and green light sensitive dental radiographic films employing an automatic processor |
publisher |
Wolters Kluwer Medknow Publications |
series |
Journal of International Clinical Dental Research Organization |
issn |
2231-0754 |
publishDate |
2011-01-01 |
description |
Background: Accurate film processing is of paramount importance in acquiring a good diagnostic radiograph. Radiographic films show variations in densities and contrast, with changes in processing conditions, and also film type, all of which are interdependent. Therefore, this research was conducted to recognize the effect of time and temperature variations of automatic processor on the sensitometric properties of blue and green light sensitive screen films. The study also aimed to note the effect on sensitometric properties when mismatch occurred when using between the screen and film belonging to different manufacturers. Materials and Methods: Sixty green light sensitive and 60 blue light sensitive spectrally matched screen film combinations were used in the study. However, the films and the intensifying screens employed belonged to different manufacturers. These films were exposed to five different exposure times and subsequently processed in an automatic processor, using two different protocols. Initially, at constant processing time of 2.5 min, five different processing temperatures were employed. Later, maintaining constant processing temperature of 35°C and five different processing times were engaged. Density, contrast and speed were calculated, using H and D curve. Results: Results revealed increasing density, contrast and speed values with increasing processing times and temperatures of both green and blue sensitive films. Conclusion: This investigation clearly establishes the possibility of obtaining optimal sensitometric properties, despite using intensifying screens and films of different manufacturers, if spectral match is ensured. |
topic |
Image quality radiography screen-film systems technology X-ray |
url |
http://www.jicdro.org/article.asp?issn=2231-0754;year=2011;volume=3;issue=1;spage=18;epage=20;aulast=Malleshi |
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AT suchethanmalleshi optimizationofsensitometricpropertiesofblueandgreenlightsensitivedentalradiographicfilmsemployinganautomaticprocessor AT karthikeyapatil optimizationofsensitometricpropertiesofblueandgreenlightsensitivedentalradiographicfilmsemployinganautomaticprocessor AT mahimavguledgud optimizationofsensitometricpropertiesofblueandgreenlightsensitivedentalradiographicfilmsemployinganautomaticprocessor |
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