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Fig. 1 | Radiation Oncology

Fig. 1

From: Direct radiation-induced effects on dental hard tissue

Fig. 1

Vickers microhardness values and indentations of enamel and dentin in the three groups. a Example of an enamel slab showing the distribution of four measurement points. a, middle enamel; b, 50 μm from the DEJ in enamel; c, 50 μm from the DEJ in dentin; d, middle dentin. b Significant difference between the treated groups and the control group was found at the site 50 μm from the DEJ in enamel (point b). *p < 0.05. n = 20 in each; ANOVA. c Vickers indentations of the enamel and dentin

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