Are your teeth useful? Our teeth allow us to slice and tear apart food so that we are able to eat. We can't deny that our teeth play a huge part in the digestion of our food. Absorption commences in your mouth with your teeth. Here are some remarkable characteristics of the human teeth - nnThere are two life sets of the teeth which should be taken good care of. Maintaining strong and white teeth will make your smile lovelier.nno A human baby has 20 milk teeth. These start to develop at about 6 months old and last until you are about 5 - 7 years old.nno An adult has 32 permanent teeth. These starts to grow when you are about 8-9 years old. Permanent teeth substitute your milk teeth.n n A human being covers three types of teeth, each with a different purpose. There are three parts of your teeth as specified below:nno Incisors. These are your front teeth and are used for biting into your food. A human adult has four incisors which are wedge-shaped and are located on each jaw. nno Canines. The human adult normally has two sharp canines.nno Molars. There are level peaks at the sides of the mouth that are called pre-molars and molars. The human adult normally has 6 molars and 4 pre-molars that are used for breaking. nnYour teeth are covered with a hard white material called enamel. The cement holds the bony jaw socket after the tooth is fixed. It is the supply of blood and nerves that maintain the teeth healthy.nnOur teeth is not as complicated as you think. You just have to take good care of them for a healthier and lovelier smile.