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. Author manuscript; available in PMC: 2009 Jun 1.
Published in final edited form as: Dent Mater. 2007 Nov 5;24(6):778–785. doi: 10.1016/j.dental.2007.09.006

Table 1.

Acid numbers (n ≥ 3) and standard deviations (in parentheses) of acidic base monomers and physical appearance of resin mixtures. Different superscripts indicate significant differences (One-way ANOVA, Sidak-Holmes, p < 0.05).

Bis-GMA BPDM IPDM ODPDM PMDM
Acid numbers --- 2.34 (0.04)d 2.21 (0.02)b 2.13 (0.01)a 2.26 (0.02)c
Appearance of resin mixtures clear, homogeneous opaque, no phase separation clear, homogeneous clear, homogeneous opaque, phase separation