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Topographic analyses of the substrate surface roughness (nm).
| Substrates | Sa (nm) | Sdr (%) | Sdq (/nm2) | Sq (nm) |
|---|---|---|---|---|
| A. untreated Ti | 13 ± 1 | 0.87 ± 0.06 | 0.133 ± 0.05 | 3.15 ± 0.3 |
| B. treated Ti with laser | 23 ± 1.3 | 5.76 ± 0.4 | 0.361 ± 0.06 | 7.08 ± 0.8 |
| C. β-TCP coat | 33 ± 2 | 9.26 ± 0.3 | 0.445 ± 0.07 | 9.37 ± 0.6 |
(±SD) Sa: roughness average, Sdq: slop root mean square, Sdr: increment of the interfacial surface area relative to a flat plane base line, Sq: height root mean square of the surface.
