Question

The figure below is a diagram of a vertical section of a mammalian tooth

1. Name the parts labeled A – F
2. How are the structures labeled A and D adapted to their functions
3. List down three ways of preventing teeth diseases 

Answer 1

1.    
   • A-Enamel 
   • B-Gum 
   • C-Dentine 
   • D-Pulp cavity 
   • E-Cement
   • F-Peridontal ligament
2. A – it is made up of hard organic substance consisting of mineral salt crystals (calcium sulphate) and carbonate) board together by keratin . It forms an efficient, hard biting surface.
   D – Contains blood vessels provide nourishment for the dentine /Nerve endings for sensibility of the tooth 
3.    
   • Regular brushing
   • Avoiding very sugarly food
   • Proper exercise of the teeth by eating tough fibrous food e.g. carrots, maize and vegetables.
   • Eating food rich in vitamin C
   • Regular dental checkup