Parts of a tooth

Parts of a tooth
Parts of a tooth: hard organ composed of dentin and enamel, used for biting and for chewing food.
Crown: visible part of the tooth.
Neck: division between the crown and root of a tooth.
Root: part of the tooth implanted in the gum.
Apex: point of a tooth.

Photo :

EN : Nail
FR : Ongle
ES : Uña


A nail is a horn-like piece at the end of a finger. Fingernails are made of a tough protein called keratin.

Animation : Teeth

Thanks to YouTube for allowing us to watch this video.