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Osteoblast proliferation on differently aged UV-treated titanium surfaces. Osteoblasts were cultured on UV-treated micropit and micro-nano-hybrid titanium disks with different ages – fresh, 3-day-old, and 7-day-old surfaces. (A) Cell density at day 3 of culture. (B) Cell proliferative activity evaluated by BrdU incorporation per cell at day 3 of culture.
Notes: Data are mean ± SD (n = 3) for all panels; aP < 0.01, indicating a statistically significant effect of age of titanium.
