Fig. 3From: Compliance with the ISO 27020:2019 norm of a sample of currently available preadjusted Orthodontic bracket systems. Are the actual dimensions as expected?Box plot showing the median and interquartile ranges for the bracket slot height. Continuous red line shows the nominal value of bracket slot height. Dashed lines represent the upper and lower tolerances limits of the ISO 27020:2019 normBack to article page