The toughest tissue in the human body is the thin layer of enamel that covers the outside of your teeth. This is called the dentine. Most of tooth enamel is made of the mineral hydroxyapatite, which makes up the majority…
The toughest tissue in the human body is the thin layer of enamel that covers the outside of your teeth. This is called the dentine. Most of tooth enamel is made of the mineral hydroxyapatite, which makes up the majority…