Milk Teeth: Define & Function of Teeth

Milk teeth are the temporary teeth. It is the first teeth grown in your mouth it is also known as baby teeth which later falls out. In newly born babies there are twenty fully formed milk teeth lying underneath the gums. When these mil teeth fall off it is replaced by the permanent teeth. When babies are born there are two sets of teeth first is primary, milk, lacteal definition. Those teeth begin to break suddenly any time after six months of age which is termed as teething. By the time the child is two, they will have a full set of teeth.

Milk teeth and permanent teeth:

Milk teeth and permanent teeth

When the child is newly born they have hidden teeth in their gums it is not visible but the gums seems hard. These teeth will be visible after six months. Milk teeth are called deciduous teeth. When the child becomes three years they have about twenty teeth already seen. These milk teeth are very important as they help in chewing and in talking development and the jaws to develop in the age between the age of six and seven. When the tooth falls off the roots of this teeth dissolves eventually.

Adult teeth: 

Adult teeth

When the milk teeth fall off it is replaced with permanent teeth after six years but this replacement of permanent teeth will last about seven years only. It means you will have both milk and adult teeth till twelve to fourteen years. This is called mixed dentition.  Once you are fourteen years you will end up having only adult teeth and about twenty-eight teeth in number. So your permanent or adult teeth will last forever and is also important to take care of them because once they fall off new ones will never come.

Functions of the tooth:

Functions of the tooth

There are four types of functions which include:

  1. Molars- It helps in chewing and grinding the food it is broad and flat.
  2. Incisors- it helps in cutting the food and slicing the food it is thin and sharp.
  3. Canines- it helps in tearing the food and holding it. it is sharp and pointed.
  4. Premolars- it helps in holding the food and crushing. It is sharp and has a flat surface.
  5. Tooth crown- The part of the tooth we see in our mouth.
  6. Gums- Around the roots of the tooth the firm flesh seen.
  7. Cement- The bone-like substance covering the root.
  8. Dentine – Dentine is the softer structure that comprises the majority of the tooth substance. It is full of tiny tubes that can transmit such signals as hot, cold and painful stimuli to the pulp of the tooth where the nerves and blood vessels are found.
  9. Jawbone- The bone which forms the framework of the mouths and which holds the teeth.
  10. Enamel-It is the hardest substance from the body and the enamel is the tough outer coating of the tooth.
  11. Root- The tooth is like an iceberg although all we see from the mouth it is the crown, beneath the surface, embedded from the bone of the jaw, it is the complex structure of the root.

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