First of all, teeth are not made of calcium. They are made of keratin. Other bolidy areas that are made of keratin are your finger and toenails and your hair. Of course, different kinds.
Tooth paste is not made from rocks, but do have abrasives such as hydrated silica, sodium bicarbonate and calcium carbonate.
Eggshells are a good substitute for teeth, because there both made up of similar stones like material that is made up of calcium. Eggshells are calcium carbonate, and teeth enamel is calcium phosphate. Which make both them composites, because they are both not pure calcium.
Calcium is a metal element present in tooth enamel.
Calcium is the mineral essential for preventing tooth decay.
It is a thin layer of calcium.
calcium hydroxide
It is a thin layer of calcium.
enamel
Yes they both consist of calcium phosphate.
The shell of the egg is made of the same stuff as the inside layer of a tooth.
tooth enamel is made up of 72% calcium and 28% organic matter. It is similar to egg shell, with the organic matter part, so it is good for science fair tooth experiments if you don't want to use real teeth.
it lets blood bring food for the nerves and gives the tooth calcium