Abstract
AbstractCo‐Cr‐Mo ally (CCM) is commonly used for orthopaedic and dental implants due to its excellent mechanical properties and corrosion resistance. However, the influence of surface roughness on cell attachment and proliferation remains unclear. This study aimed to elucidate the impact of surface roughness of CCM on the attachment and proliferation of osteoblasts. CCM samples with different values of surface rouges were prepared by polishing. MC3T3‐E1 mouse osteoblasts were used for cell culture experiments. Cell attachment, morphology, and the expression of actin stress fibres, vinculin, and distribution of yes‐associated protein were analysed. Our results suggest that surface roughness does not significantly affect cell attachment and proliferation on CCM, unlike on titanium. Thus implies that other properties of CCM, such as physicochemical properties, may play a more substantial role in modulating cell behaviour. This study provides important insights into the design of CCM implants, suggesting that approaches beyond tuning surface roughness may be necessary to improve biocompatibility and osseointegration.
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