Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12903-020-1050-8/MediaObjects/12903_2020_1050_Fig2_HTML.png)
Illustrative micro-CT scans of preparations produced by the tested instruments in 3 mm and 5 mm from the cement-enamel junction (red: preoperative canal; green:postoperative canal)
Illustrative micro-CT scans of preparations produced by the tested instruments in 3 mm and 5 mm from the cement-enamel junction (red: preoperative canal; green:postoperative canal)