Abstract
The relevance of the use of superelastic titanium alloys in medicine is due to biomechanical advantages when interacting with the tissues of the body. To date, such an alloy is known - titanium nickelide, but the high content of nickel limits its use. Superelastic alloys of titanium (titanium-niobium-zirconium and titanium-niobium-tantalum) are more favorable in comparison with titanium for dental implants due to physico-mechanical properties closer to bone tissue. Animal morphological studies of the biocompatibility of these alloys in comparison with titanium have been carried out. Control of the interaction with the bone tissue of titanium alloy samples was 30 and 90 days; The method of investigation is scanning electron microscopy and microprobe element analysis of tissue along the boundary with titanium alloys. The proximity of the morphological pattern and elemental composition of bone tissue along the border with titanium and superelastic alloys of titanium is shown, both at a control period of 30 days (in contact with alloys, a poorly mineralized connective tissue is found) and under control of 90 days (the border with titanium alloys is covered with mineralized bone tissue, similar in composition to the surrounding bone tissue). based on niobium with bone tissue.
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