The solar system is a pretty busy place. Itâs got all kinds of planets, moons, asteroids, and comets zipping around our Sun. But how did this busy stellar neighborhood come to be? Our story starts about 4.6 billion years ago, with a wispy cloud of stellar dust. This cloud was part of a bigger cloud called a nebula.
Other causes of yellow teeth include antibiotic use or excessive fluoride intake in young children, which can cause yellow-stained adult teeth later. However, according to dentistry professor Mauli Simrativir, antibiotics and high fluoride levels cause blotching, rather than an overall yellow tone to the teeth.
1 Coffee, wine, cola or other drinks or foods can stain teeth. Smoking also causes extrinsic stains. 2  Intrinsic â This is when the inner structure of the tooth (the dentin) darkens or gets a yellow tint. You can get this type of discoloration if:  You had too much exposure to fluoride during early childhood.