Fig. 2
From: Perceptual and quantitative analysis of discoloration of orthodontic elastomeric chains by food
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12903-023-02825-2/MediaObjects/12903_2023_2825_Fig2_HTML.png)
Graph showing the relationship between surveying score and \(\Delta {\text{E}}\) value
From: Perceptual and quantitative analysis of discoloration of orthodontic elastomeric chains by food
Graph showing the relationship between surveying score and \(\Delta {\text{E}}\) value