mouth

• what begins the mechanical breakdown in the mouth

  the teeth and the tongue
• what are the three pairs of salivary glands

  sublingual gland - under tongue

  submandibular gland - under jaw

  parotid gland - next to ear
• what is salvia 


  saliva is a secretion produces by the salivary glands into the mouth cavity. it also has a slightly alkaline pH 7.5/8

  it contains:

  mucus - to moisten the food and facilitate swallowing, kills some bacteria, enables taste

  amylase - a carbohydrate enzyme that hydrolyses cooked starch into maltose
• what is a ball of masticated food called

  bolus
• biological drawing of a molar tooth

  label

  A) gum

  B) enamel

  C) dental cavity

  D) blood vessels and nerves in the dental cavity

  E) cement

  F) dentine

  
• what is fluoride

  a mineral that helps rebuild and strengthen the tooths enamel and prevent cavities
• what is water fluoridation 


  the controlled addition of fluoride to a public water supply to reduce tooth decay by providing frequent and consistent contact with low levels of fluoride
• types of teeth and function


  incisor - biting/ tearing/ cutting food
• dental formula of teeth


  2;1;2;3

  2;1;2;3
• total number of teeth in a human 


  32