A Nanomechanical Investigation of Three Putative Anti-Erosion Agents: Remineralisation and Protection against Demineralisation

Table 1

Mean nanohardness and standard deviations (GPa) of human enamel specimens as a function of stage and treatment. B: at baseline, D1: after first demineralisation, T: after treatment, D2: after second demineralisation.

Treatment	Mean nanohardness (GPa) (Standard deviation)
	B	D1	T	D2
Negative control	3.98 (0.37)	2.58 (0.32)	2.76 (0.35)	2.29 (0.25)
1400 mg/L F	4.25 (0.66)	2.82 (0.32)	3.28 (0.68)	2.55 (0.28)
4500 mg/L F	4.12 (0.52)	2.56 (0.27)	3.38 (0.54)	2.82 (0.49)
CPP-ACP product	4.30 (0.53)	2.78 (0.36)	3.22 (0.39)	2.42 (0.27)
Positive control	4.72 (0.46)	2.86 (0.29)	3.56 (0.50)	3.06 (0.42)