Titanium has good affinity with human body connective tissue and bone epithelial tissue, and its excellent mechanical properties also reflect its advantages in medical alloys. Moreover, titanium is of low density, light weight, good corrosion resistance and comfortable to wear. Therefore, titanium is widely favored as a denture (dental implant). In addition, titanium denture after surface treatment, aesthetic performance increased, can meet the public demand for beauty, give a person with visual enjoyment.
According to relevant literatures, about 100 million patients in the world suffer from inflammation of knee joint and arm joint every year, so it is imperative to have replacement surgery. Therefore, titanium alloy with excellent replacement function is a blessing. Compared with ceramics, stainless steel and other materials, the elastic modulus of titanium alloy is closer to that of human skeleton, which has more advantages in terms of modulus. Therefore, titanium alloy can be widely used in the correction of ankle and elbow. In addition, porous titanium alloy materials can make the prosthesis have biological activity, which is helpful to the healing of femoral head. Titanium alloy has good biocompatibility and can induce the growth of bone cells, so it is highly recommended by clinicians and orthopedic experts.
The advantages of titanium and titanium alloy as implants are as follows: (1) high strength, good chemical stability and biocompatibility; (2) non-toxic, will not cause harm to the human body; (3) low modulus of elasticity, and human bones more matching; (4) memory alloy has the elasticity ability and shape recovery function. In conclusion, the application of titanium in skull repair is mainly reflected in the following aspects: titanium mesh can be used to repair the skull defects. Its applications in human cardiovascular system include artificial heart valves, blood filters, pacemakers and artificial heart pumps.
