AI Article Synopsis
- President Clinton's Health Security Act aims to improve health care quality through large health plans and better quality assurance.
- Dental radiography makes up 4% of dental spending but lacks regular quality checks, prompting the development of a pilot automated system to assess film quality.
- The new method achieved a 95% accuracy rate in classifying radiographs and showed promise for creating an efficient quality assurance system that could be more cost-effective than traditional methods.
Article Abstract
President Clinton's Health Security Act proposes the formation of large scale health plans with improved quality assurance. Dental radiography consumes 4% ($1.2 billion in 1990) of total dental expenditure yet regular systematic office quality assurance is not performed. A pilot automated method is described for assessing density of exposed film and fogging of unexposed processed film. A workstation and camera were used to input intraoral radiographs. Test images were produced from a phantom jaw with increasing exposure times. Two radiologists subjectively classified the images as too light, acceptable, or too dark. A computer program automatically classified global grey level histograms from the test images as too light, acceptable, or too dark. The program correctly classified 95% of 88 clinical films. Optical density of unexposed film in the range 0.15 to 0.52 measured by computer was reliable to better than 0.01. Further work is needed to see if comprehensive centralized automated radiographic quality assurance systems with feedback to dentists are feasible, are able to improve quality, and are significantly cheaper than conventional clerical methods.
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| http://dx.doi.org/10.1016/0030-4220(94)90155-4 | DOI Listing |
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