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The performance comparison of bone plates made of different materials is mainly reflected in the following aspects:
Stainless steel bone plate
It has high strength, relatively high tensile strength and hardness, and is suitable for providing strong mechanical support.
The density is relatively high, the weight is large, and the elastic modulus is significantly higher than that of the cortical bone, which is prone to cause the “stress occlusion” effect and may lead to atrophy of the bone due to insufficient force.
The corrosion resistance is average. After long-term implantation, it may release metal ions such as nickel due to corrosion, which may cause allergic or inflammatory reactions.
The biocompatibility is average. Nickel may cause allergic reactions. After long-term implantation, it may lead to inflammation of the surrounding tissues or bone resorption due to corrosion.
It may cause artifacts in MRI imaging and affect postoperative imaging examinations.
Titanium bone plate
Its strength is close to that of stainless steel, but its elastic modulus is closer to that of bone, which helps to reduce the risk of stress occlusion.
It has a low density and is lightweight, making it suitable for long-term implantation.
It has extremely strong corrosion resistance. The surface oxide film provides excellent corrosion resistance and higher biocompatibility.
It has excellent biocompatibility, almost no allergenicity or toxicity, and can form “osseointegration” with bone tissue, providing better long-term stability.
It has less interference with MRI and CT imaging and is convenient for postoperative imaging follow-up.
Ceramic bone plate
It has high hardness, good wear resistance and may have a longer service life.
It has good biocompatibility, causes less reaction to surrounding tissues, and reduces the inflammatory response caused by implants.
The risk of osteolysis is low and there are fewer wear particles, reducing the risk of osteolysis and prosthesis loosening caused by wear particles.
The cost is relatively high, the surgical technique requirements are high, and the installation and fixation require high surgical skills to ensure the correct placement and stability of the prosthesis.
It is relatively heavy and may have a certain impact on the patient’s mobility and comfort.