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Effects of developer depletion on image quality of Kodak Insight and Ektaspeed Plus films

Department of Oral Radiology, Faculty of Dentistry of Piracicaba, University of Campinas - UNICAMP, São Paulo, Brazil

*Correspondence to: Dr Marcia Leal Spinelli Casanova, Faculdade de Odontologia de Piracicaba - UNICAMP, Disciplina de Radiologia, Av. Limeira, 901 - Piracicaba-SP-CEP-13414 - 901, Brazil; Email: mscasanova{at}uol.com.br

Received 15 April 2003; revised 19 February 2004; accepted 26 February 2004

Objective: To evaluate the effect of processing solution depletion on the image quality of F-speed dental X-ray film (Insight), compared with Ektaspeed Plus.

Methods: The films were exposed with a phantom and developed in manual and automatic conditions, in fresh and progressively depleted solutions. The comparison was based on densitometric analysis and subjective appraisal.

Results: The processing solution depletion presented a different behaviour depending on whether manual or automatic technique was used. The films were distinctly affected by depleted processing solutions.

Conclusions: The developer depletion was faster in automatic than manual conditions. Insight film was more resistant than Ektaspeed Plus to the effects of processing solution depletion. In the present study there was agreement between the objective and subjective appraisals.

Keywords: X-ray film; radiography, dental; X-ray, diagnostic; image quality

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