Observational Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Feb 26, 2020; 8(4): 743-756
Published online Feb 26, 2020. doi: 10.12998/wjcc.v8.i4.743
Table 4 Mean and standard deviation of enamel loss and stain size
Stain size in mm2Mean enamel loss in microns (µm)nStd. deviation
Small23424110.5
Medium-sized23242105.2
Large23918106.5
Total23484105.8