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. Author manuscript; available in PMC: 2009 Sep 2.
Published in final edited form as: Dent Mater. 2007 Mar 6;23(12):1482–1491. doi: 10.1016/j.dental.2007.01.002

Figure 6.

Figure 6

Effect of DCPA particle surface area on Ca and PO4 release for composite containing unsilanized nano DCPA at DCPA:whisker of 1:0. The particle specific surface area was calculated by A = 6/(d ρ), where d is diameter and ρ is density (2.89 g/cm3 for DCPA). (A–B) Initial Ca and PO4 release from Fig. 4A and 4C (7-day data). (C–D) 56-d release data from Fig. 4A and 4C. Each Ca and PO4 concentration value is mean ± sd; n = 3. Smaller particles with a larger surface area had more ion release.