Very, very rarely in dentistry.
Uranium hasn't a biological role.
no, it serves no biological purpose in any multicellular organism. some primitive bacteria can use it in their metabolism to help convert their food to ATP though, but they can also use other chemicals similarly.
Anu use for the isotope uranium-234.
Uranium is used especially as nuclear fuel.
Uranium is not used at home.
Uranium is not used daily at home.
Uranium is not used in light bulbs.
Fission of uranium and plutonium is mainly used to produce electricity, but also smaller reactors are used to produce radioisotopes for medical and industrial use
The most common everyday use is as fuel for a nuclear reactor that produces electricity.
Uranium and plutonium can be used as nuclear fuels for nuclear reactors.
Uranium is radioactive and toxic; no use at home, excepting coloured glassware.
Uranium dating methods were not used for fossils dating.