Table 1: Mean Values (µg/mL) and Standard Deviation of Released Monomers in Different Medias (2 mL) and Different Immersion Times

Time Bis-GMA TEGDMA UDMA BIS-EMA
Water Citric Lactic Ethanol Water Citric Lactic Ethanol Water Citric Lactic Ethanol Ethanol
1 6.5 (0.6) 5.7 (0.6) 5.6 (0.2) 6 (1.1) 12 (1.5) 10.5 (3.3) 12 (0.7) 19.8 (2.9) 9.1 (0.2) 5.8 (0.8) 9 (0.6) 3.6 (4.2) 41.5 (4.7)
2 5 (0.5) 6.8 (0.7) 5.6 (0.7) 7 (1.5) 10.8 (2.9) 15.4 (1.2) 16.2 (2.3) 19.7 (3.5) 6.7 (1.1) 7.11 (1.6) 8.3 (2) 0.7 (0.1) 35.5 (2.6)
3 6.5 (0.5) 7.7 (0.2) 9.3 (3.1) 8.7 (1.8) 9.8 (2.3) 14.5 (1.5) 16.2 (0.8) 20.8 (5.3) 6.5 (0.8) 10. (0.9) 13.4 (2.9) 1.67 (2) 36 (12.5)
4 5.6 (1.5) 10.5 (0.5) 11.4 (0.7) 17.3 (0.2) 4.3 (1.7) 21.1 (4.5) 24.2 (1.8) 21.2 (11.5) 4.8 (0.8) 9.8 (0.8) 15.8 (2.1) 105.8 (51.5) 65.5 (32.5)
5 0.7 (0.5) 13.8 (1.5) 13.2 (1.5) 32.3 (0.01) 2 (0.6) 58 (16.8) 39 (8.0) 24.8 (0.01) 1.9 (0.5) 10.8 (1.9) 14.5 (3.6) N D 68.6 (12.6)
6 0.6 (0.1) 11.5 (2.5) 6.5 (1.5) 16.5 (2.8) 44.6 (15.5) 11.2 (12.4) 2.2 (0.3) 115.67 (26.3) 0.6 (0.3) 14.2 (0.5) 6.6 (1.4) N D 406.5 (332.5)

The abbreviations of groups: 1: 24 h, 2: 48 h, 3: 72 h, 4: 1 wk, 5: 4 wk, 6: 12 wk, N D: Non-Detectable

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