Table 1.
Average Surface Metrology Parameters of Silicone Breast Implant Surfaces Measured According to ISO 14607:2018
| Parameter (±SD) | Traditional Smooth (Allergan) | SmoothSilk/SilkSurface | VelvetSurface | Siltex | Sientra and Silimed | Microcell | BIOCELL |
|---|---|---|---|---|---|---|---|
| Roughness (Ra) (µm) | 0.3 ± 0.2 | 3.2 ± 0.6 | 14.6 ± 2.5 | 32.0 ± 5.0 | 40.0 ± 6.0 | 53.0 ± 9.0 | 79.0 ± 14.0 |
| Density of peaks (peaks/cm2) | 5,996 ± 6,105 | 25,820 ± 5,766 | 2,897 ± 980 | 2,008 ± 1,605 | NA | NA | NA |
| Ku (Sku) | 5.0 ± 2.0 | 4.1 ± 0.6 | 3.0 ± 0.7 | 2.9 ± 0.3 | 3.1 ± 0.4 | 2.0 ± 0.1 | 3.0 ± 1.0 |
| SA (mm2) | 1.0 ± 0.0 | 1.15 ± 0.04 | 1.16 ± 0.02 | 1.87 ± 0.29 | 1.5 ± 0.2 | 1.8 ± 0.2 | 2.92 ± 0.52 |
| ISO 14607:2018 Surface classification | Smooth | Smooth | Microtextured | Microtextured | Microtextured | Macrotextured | Macrotextured |
Density of peak measurements cannot be performed for BIOCELL, Microcell, and Sientra/Silimed surfaces (NA). Results property of Establishment Labs.