Evaluation of surface properties of local machinery metal-based implant and the correlation with the viability of osteoblast and fibroblast
DOI:
https://doi.org/10.31282/joti.v2n1.35Keywords:
Stainless steel, Titanium alloy, surface roughness, wettability, viability of osteoblast, viability of fibroblastAbstract
Introduction:
Indonesia has started to make local machinery metal-based implant. Evaluation of local machinery processing can be done with the measurement of surface properties of the materials. The surface properties of a medical implant is of great importance since the surface is in direct contact with the host tissue. Surface properties influence osteoblastic proliferation.
Methods:
This was an experimental study of 5 local machinery metal-based materials from stainless steel and titanium alloy. Those materials were measured for the surface roughness, contact angle, and viability of osteoblast and fibroblast. These parameters were analyzed and compared with the results from common production method, and the correlation among those parameters was then analyzed.
Results:
The highest surface roughness was in Titanium Ti-GR2 material (Ra 3.986 ± 2.043 μm ) and the lowest was in Stainless steel AISI 316 L COR (1.640 ± 0.960 μm). The highest contact angle was in Stainless steel AISI LVM material (78.721 ± 2.833o) and the lowest was in Titanium Ti-V-Al (43.218 ± 4.586o). The viability of osteoblast was ranging from 68.25% - 84.79% and the viability of fibroblast was ranging from 63.98 % - 90.55 %. The correlation between the surface roughness on these materials and the viability of osteoblast gave p value = 0.014, r 0.857 and fibroblast gave p value = 0.003, r 0.929.
Conclusion:
Surface roughness of our local machinery metal-based materials is consistent with the result of grinding by common production method. The local machinery metal-based material had hydrophilic nature. The higher the surface roughness, the greater the viability of osteoblast and fibroblast.
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References
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