*Clean the teeth regularly after breakfast and dinner. 

 *Avoid sweets and sugary drinks because it increases bacteria action.

 *Eat the right diet.

 *Floss your teeth daily.

 *Use fluoridated toothpaste.

 *Protect your teeth from injuries.

 *Go for regular checkups by a dentist.

     This is the transfer of matured pollen grains from the anther to the stigma of a flower of the same kind.

     Agents of pollination; 

  *Animal(insects, birds, man, bat).

  *Wind.

  *Water.

  *The growth of stigma towards the anther to make contact.

       Types of pollination 

  *Self pollination--This is the transfer of pollen grains from the anther of a flower to the stigma of another flower on the same plant.

   *Cross pollination--This is the transfer of pollen grains from the anther to the stigma of another plant but of the same species.