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. 2023 Jan 20;23:33. doi: 10.1186/s12903-023-02739-z

Fig. 4.

Fig. 4

Scanning electron microscopy images of orthodontic brackets after each biofilm removal treatment. The images in the upper row were taken at 200 × (scale bar = 500 μm), and the images in the lower row were taken at 10,000 × (scale bar = 10 μm)