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Table 1 The surface roughness parameters of the SLA Ti implants and turned Ti tubes

From: Platelet-rich plasma alone is unable to trigger contact osteogenesis on titanium implant surfaces

Implant Sq (μm) Sa (μm) Ra (μm) Sdr (%)
S1 1.45 1.12 0.80 175
S2 1.30 1.01 1.08 147
S3 1.39 1.09 0.98 157
Mean 1.38* 1.07* 0.95* 160*
SD 0.08 0.06 0.14 14.2
Tube Sq (μm) Sa (μm) Ra (μm) Sdr (%)
S1 0.093 0.071 0.061 2.85
S2 0.136 0.096 0.080 3.90
S3 0.145 0.109 0.087 8.54
Mean 0.125 0.091 0.076 5.10
SD 0.028 0.019 0.013 3.03
  1. S specimen, SD standard deviation
  2. *Significantly higher (P < 0.05)