. 2020 Sep 28;28:e20200493. doi: 10.1590/1678-7757-2020-0493

Table 1. Mean (SD) of wear (μm) of dental substrates and restorative materials surfaces.

	WF	NaF	SnF₂
ECR	4.53 (0.35)^Ab	7.92 (0.34)^Bb	5.03 (0.32)^Ab
CR	0.13 (0.13)^Aa	0.31 (0.17)^Aa	0.33 (0.12)^Aa
DCR	8.58 (0.47)^Ac	14.53 (0.52)^Bc	9.88 (0.38)^Ac
ERMGIC	5.77 (0.24)^Ab	6.97 (0.52)^Ab	4.95 (0.38)^Ab
RMGIC	0.96 (0.24)^Aa	3.23 (0.36)^Aa	1.78 (0.21)^Aab
DRMGIC	10.15 (0.36)^Ac	13.99 (0.44)^Bc	9.64 (0.37)^Ac

Upper case letters compare toothpastes. Lowercase letters compare surfaces.

No compare between specimens restored with CR and RMGIC.

ECR: Enamel adjacent to composite resin; CR:Composite resin; DCR: Dentin adjacent to composite resin; ERMGIC: Enamel adjacent to resin-modified glass ionomer cement; RMGIC: Resin-modified glass ionomer cement; DRMGIC: Dentin adjacent to resin-modified glass ionomer cement.