Abstract
We assessed whether dental x-ray images observed on a liquid crystal display (LCD) could be applied to diagnosis. A 13-inch TFT (thin film transistor) display was utilized in this study. Fifty x-ray films of radiographically diagnosed periapical lesions and fifty normal films were digitized at 300 DPI.
These sample images were randomized and evaluated by five observers who compared them with the original films using a continuously distributed confidence rating method. The data were analyzed with a Receiver Operating Characteristics (ROC) analysis. The CRT images were evaluated in the similar way.
The results showed no statistically significant differences between the original dental x-ray films, images on the TFT display and the CRT regarding the diagnosis of periapical lesions.
We conclude that a TFT-type liquid display provides sufficient detail for the diagnostic observation of dental radiographs. Thus, such displays may be useful for dental clinics.
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Uchida, K., Takizawa, M., Wada, T. et al. Liquid crystal displays for the evaluation of dental. Oral Radiol. 15, 1–7 (1999). https://doi.org/10.1007/BF02489751
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DOI: https://doi.org/10.1007/BF02489751