Used as a high-performance ceramic in dental and medical implants due to its strength, biocompatibility, and resistance to wear. Commonly applied in oxygen sensors and fuel cell membranes because of its ability to conduct oxygen ions at high temperatures. Employed as a refractory material in furnace linings and crucibles for handling molten metals. Utilized in coatings for corrosion-resistant and thermal barrier applications, especially in aerospace and energy sectors. Also found in sunscreens and cosmetics as a white pigment and UV blocker, offering safe and effective protection.