Table 1 Implants details of both groups: screw pitch, smooth neck length, surface treatments, and roughness
Group A implants | Group B implants | Group C implants | |
|---|---|---|---|
Screw pitch | 1.25 mm | 0.6 mm | 0.6 mm |
Smooth neck | 2.8 mm | 0.25 mm | 0.25 mm |
Surface treatment | Large grit-blasted and acid-etched SLA surface, processed to a high degree of hydrophilicity (SLActive®) | Laser surface characterized by a series of 20 μm diameter holes (7–10 μm deep) every 10 μm (Syntegra®) | Machined surface |
Surface roughness (Ra) | 1.5 μm | 0.37 μm* | 0,75 μm |