Efficacy of a Novel Bioactive Glass-Polymer Composite for Enamel Remineralization following Erosive Challenge

Table 3

Means and standard deviation of microhardness values for each group (at sound, demineralized, and remineralized stages).

Groups	Stages	N	Mean	Std. deviation
52S4/UPGO	Sound^a	15	343.33	12.82
	Demineralized^b	15	97.20	7.76
	Remineralized^c	15	224.20	12.43
FluoroDose®	Sound^a	15	355.20	37.11
	Demineralized^b	15	113.80	35.49
	Remineralized^d	15	174.33	35.78
GC tooth mousse	Sound^a	15	343.00	33.51
	Demineralized^b	15	115.73	40.77
	Remineralized^d	15	182.53	37.34

Different lower-case letters show statistical difference.