dentin
The main substance of a tooth is dentin, which is a hard tissue that makes up the majority of the tooth structure. It is covered by enamel on the outer layer and connected to the pulp at the center of the tooth.
Flouride
plaque
base
Enamel of the tooth.
It is called the enamel. It's the most external layer of a tooth and the hardest substance in the body.
Dental enamel
The sabre tooth is extinct
lipids
It is oygen
yes, as you can use blue tooth or just add it to your text :)
Glucose is a product of photosynthesis and a reactant in cellular respiration.