Table 1.

Steady-state flux (Jss) and the apparent permeability coefficient (Papp) for the calcein permeation through porcine oral buccal mucosa loaded on the Epi-ExPer device after 2.5 and 24 h of exposure to two concentrations of the resinous monomers HEMA and TEGDMA.

Group	Jss · 10−4 ± SD (μg × cm−2 × min−1)	Papp · 10−6 ± SD (cm × h−1)
CCM—2.5 h	0.72 ± 0.18	1.97 ± 0.14
Control—2.5 h	0.49 ± 0.04	2.90 ± 0.71
HEMA-low—2.5 h	0.55 ± 0.05	2.19 ± 0.21
HEMA-high—2.5 h	0.44 ± 0.05	1.76 ± 0.20
TEGDMA-low—2.5 h	0.53 ± 0.10	2.11 ± 0.42
TEGDMA-high—2.5 h	0.72 ± 0.46	2.87 ± 1.85
EtOH—2.5 h	0.66 ± 0.21	2.66 ± 0.84
CCM—24 h	0.98 ± 0.58	3.94 ± 2.31
Control—24 h	0.61 ± 0.04	2.46 ± 0.14
HEMA-low—24 h	0.85 ± 0.45	3.40 ± 1.80
HEMA-high—24 h	2.56 ± 2.73	10.25 ± 10.92
TEGDMA-low—24 h	0.44 ± 0.07	1.77 ± 0.27
TEGDMA-high—24 h	7.38 ± 0.50	29.51 ± 1.98
EtOH—24 h	16.73 ± 5.50	66.91 ± 21.98