The combined approach to evaluation of mechanical behavior of tooth enamel in artificially induced caries lesions

Open Access

Table 1.

Penetration depth (Pd), microhardness (HIT, GPa), elastic modulus (EIT, GPa) in the areas of the tooth surface: the central part of the demineralized zone; the perifocal zone of intact enamel; the area of intact enamel remote from the lesion.

Tested area	Pd, µm Mean ± SD	HIT, GPa Mean ± SD	EIT, GPa Mean ± SD
Central, demineralized	0.62 ± 0.04^,^*	0.956 ± 0.15^,^*	10.345 ± 1.35^,^*
Perifocal, visually intact	0.23 ± 0.01^,^**	5.006 ± 0.54^*	83.812 ± 14.4^*
Intact, far from the lesion	0.19 ± 0.01^,^*	5.860 ± 0.25^**	85.427 ± 6.6^**

p-value <0.05 between central and perifocal areas

^**

p-value <0.05 between central and intact areas

^**

p-value <0.05 between perifocal and intact areas

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