What Are Teeth: Define, Functions & Facts

The teeth are made up of tissues that protect the pulp located in the middle. Teeth are the hardest structure of the human body. The human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. Tooth anatomy is a field of anatomy dedicated to the study of tooth structure. Humans have four types of teeth, incisors, canines, premolars, and molars each with a specific function. The softer the living inner structure of teeth. Blood vessels and nerves run through the pulp of the teeth. Teeth are hard, mineral-rich structures which are used to chew food. They are not made of bone like the rest of the skeleton but have their own unique structure to enable them to break down food. Tooth enamel is the most mineralized tissue in the body, consisting mainly of the rock-hard mineral.

Functions and names of the teeth:

Functions and names of the teeth

There are different types of the teeth deciduous which includes incisors, canines, first molars, and second molars. Each tooth has four types of surfaces. These are the inner surface, an outer surface, chewing surface and adjacent surface. These have various functions:

  1. Incisor: it cuts the food like a pair of scissors.
  2. Canine: it tears the food apart like a fork.
  3. First molars: it grinds the food in the mouth like a grinder.
  4. Second molar: it is large in size than first molars, it grinds food like first molars do.

What are the numbers of teeth do we have and when they come out?

What are the numbers of teeth do we have and when they come out

We, humans, have two sets of teeth during our lifetime from the point when we are born they are the deciduous teeth and the permanent teeth. We have 20 deciduous teeth and 32 permanent teeth. Now deciduous teeth start to fall when the baby is six months old and when the baby is almost two and a half months old all the deciduous teeth are all fallen off. Permanent teeth start to fall off and replace deciduous teeth at the age of six. And at that time deciduous teeth begin to loosen and falls out.

Functions of the teeth:

Functions of the teeth

  • When you eat food it should be chewed properly and broken into pieces in your mouth before dissolving it and entering the digestive system so that the body can absorb the food easily and get nutrients from them.
  • Teeth help us to pronounce properly while talking or saying.
  • Teeth help to look better and enhance the personality and face feature.
  • Deciduous teeth can reserve spaces for permanent teeth. Once the permanent teeth start to erupt, the deciduous teeth will fall out and give room for permanent teeth.

Facts of teeth:

Facts of teeth

  • Tooth enamel is the hardest substance in the human body. However, we do not recommend that you use your pearly whites to open bottle caps!
  • If you don’t floss, you miss cleaning 40% of your tooth surfaces. Make sure you brush and floss twice a day!
  • If you’re right-handed, you will chew your food on your right side. If you’re left-handed, you will tend to chew your food on your left side.
  • Every year, kids in North America spend close to half a million dollars on chewing gum.
  • More people use blue toothbrushes than red ones.
  • Like fingerprints, everyone’s tongue print is different

The average woman smiles 62 times a day. The average man smiles about 8 times a day.

  • Kids laugh around 400 times a day, adults just 15 times a day.
  • Giraffes only have bottom teeth.
  • Just like fingerprints, tooth prints are unique to each individual.
  • The average person only brushes for 45 to 70 seconds a day, the recommended amount of time is 2-3 minutes.

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