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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Dent Clin North Am. 2017 Oct;61(4):669–687. doi: 10.1016/j.cden.2017.05.002

Figure 2.

Figure 2

Figure 2

Rechargeable NACP composite for long-term Ca and P ion release. (A) NACP composite was immersed in a pH 4 solution for 70 d to exhaust the ion release (lower left arrow). Then the specimens were immersed in a new pH 4 solution to confirm that the ion release was exhausted (lower middle arrow). Specimens were recharged in a recharge solution, then tested for ion re-release for 7 d (third arrow at the bottom of A). This constituted the first recharge/re-release cycle. This process was repeated for 6 cycles. (B) Three NACP nanocomposites with six cycles of recharge/re-release, showing no decrease in ion release with increasing recharge cycles (p > 0.1).

Figure 2A: From Zhang L, Weir MD, Chow LC, et al. Novel rechargeable calcium phosphate dental nanocomposite. Dent Mater 2016;32(2):288; with permission.

Figure 2B: From Zhang L, Weir MD, Chow LC, et al. Novel rechargeable calcium phosphate dental nanocomposite. Dent Mater 2016;32(2):289; with permission.