The hard surfce on the surface of a tooth is enamel.
Basically it is the outer layer of a tooth that can get broken down by grinding your teeth and chewing hard candies.
Enamel.
pull it as hard as you possibly can
sex
Enamel.
The hard surface of the tooth is made of enamel which is the hardest tissue in the human body. Tooth enamel has no living cells so unlike a broken or fractured bone the body has no way to repair chipped/cracked enamel.
chew something hard or put presure on it.
these are two different elements, thigh bone is "bone" and a tooth is enamel
The hard part of the tooth is actually not a living structure. The living structures are the nerves and blood vessels that are inside the tooth.
Egg tooth
Tooth, typically.