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Egyptian Journal of Forensic Sciences
Fig. 2 | Egyptian Journal of Forensic Sciences

Fig. 2

From: Analysis of the surface roughness and microhardness of dental restorative materials exposed to heat sources and cold temperatures for human identification purposes

Fig. 2

Graphic representation of the comparison of ΔRa between the materials when exposed to the heat action (one-way ANOVA, Tukey test, p < .05). For all the comparisons between the sample groups of CR, p > .05. For GIC and amalgam, the horizontal lines over the bars indicate no statistically significant difference (p > .05). Different letters indicate significant difference (p < .05) between the materials at the same temperature. CR = composite resin. GIC = glass ionomer cement

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