Figure 1. DNA synthesis and cell proliferation of SaOS-2 cells on titanium surfaces at different time points. (A) DNA synthesis (mean ± SD, n = 12) determined by ³H-thymidine incorporation. (B) Cell proliferation (mean ± SD, n = 12) determined by the MTT assay. *p < 0.05, smooth (S) vs. sandblasted (SB) and titanium plasma-sprayed (TPS) surfaces.

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