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Everything you need to know about the aging of molars in children

The aging of molars in children is one of the biggest concerns of parents during their child’s childhood. The removal of baby teeth, their falling out and then the growth of permanent teeth are important moments in children’s lives that cause a lot of stress and anxiety for parents.

Children’s molars are one of their most important teeth, which help a lot in eating. In the following, we review the explanations of the best children’s dentist about the symptoms and aging of molars in children.

At what age does a child’s teeth sprout?

You may be interested to know that even before they are born, the baby’s tooth buds are present in their gums and jaws. Then after the birth and growth of the child, his teeth also grow and come out from the gums. The growth rate of different children is different from each other and is not a fixed value; for this reason, it cannot be claimed that all children start teething at a certain age. Note that there are specific timelines and frameworks in this field; but you cannot rely on them 100%.

Age of growth of milk teeth

The first teeth that come out in the baby’s mouth are milk teeth. In most children, these teeth grow with the appearance of teething symptoms and in a certain age range; but in some cases, for any reason, they may come out sooner or later. Of these, molar teeth usually age more in children compared to other teeth.

As it was said, most of the time, the growth process of children’s teeth is in accordance with this framework, and by the age of 3, all their 20 milk teeth grow completely.

Children’s molars grow in two stages; the first baby molars grow between 13 and 19 months of age and after that the child can eat fully. The second molar teeth are also fully formed between 23 and 33 months of age and make eating much easier for him.

After the complete growth of molar teeth in children and the development of milk teeth, the child enters a new phase of teeth loosening and falling out, which we will discuss further.

Falling milk teeth

Most children lose their baby teeth between the ages of 6 and 12 and are replaced by permanent teeth. The middle teeth, which are the first milk teeth, become loose and fall out as the first teeth at this time. This happens in turn for the other teeth of the child until they completely give way to the permanent teeth. Finally, at the age of 13, all 28 children’s teeth come in and are completed.

Mixed dental period

After the age of 5 or 6, the growth of permanent teeth inside children’s jaws begins and the roots of milk teeth also decay. Then gradually, milk teeth fall and give their place to permanent teeth. In a period of several years, usually between 6 and 13 years of age, children have both baby teeth and permanent teeth in their jaws.

In this regard, this period is called mixed dental period. Before this period, the period of milk teeth is; because there are only milk teeth in the mouth, and after that, the period of permanent teeth is called, when all 28 permanent teeth of the child are fully grown.

Aging of molars in children

You should note that eight of children’s permanent teeth grow directly without the need for milk teeth. One of these teeth is molar number 6. Since no milk teeth fall for this tooth to grow, many parents confuse it with milk teeth and do not pay the necessary attention to it. This tooth is actually the first permanent tooth of children.

The age of molar teeth in children is different; but normally, this tooth grows in the mouth of children between 5 and 7 years old. If the necessary attention is not paid to this tooth, it may decay and be lost due to not brushing and not observing the necessary hygiene. Note that these teeth are permanent and should be well protected.

In this tooth of 7-year-old children, due to the presence of grooves on the surface, food gets stuck; for this reason, the cleaning and hygiene of the 6th molar must be done completely and carefully. In some cases, yellow or white spots may appear on this tooth, which indicates its weak structure; this can increase the risk of tooth decay.

After the decay of molar number 6, parents try to pull it out thinking that this is a milk tooth. You should know that if this tooth number 6 is pulled, nothing will replace it.

Signs of the approaching age of molar teeth in children

During the growth of milk teeth in children’s mouths, various signs and symptoms appear in them, which may cause them trouble during this period. It doesn’t matter whether children’s molar teeth are growing or other teeth, these symptoms may appear during the growth of each of them.

  • Putting hands and fingers in the mouth
  • Fatigue or sleeplessness due to gum pain
  • Not eating food and after eating it because of gum pain
  • Increased salivation
  • Swelling and inflammation
  • Itching around the mouth
  • Fever

No specific signs and symptoms have been mentioned for the removal of molar teeth in children aged 5 to 7 years. Gum pain and inflammation may also occur at this time. In general, due to the lack of specific symptoms, the growth of this tooth is ignored and not much attention is paid to it.


Two of the children’s molars grow during the milk teeth period and are then replaced by permanent teeth. After that, at the age of 5 to 7 years, the first large molar, which is tooth number 6, grows permanently in the child’s jaw and starts the process of teeth development.

The second large molar is the second permanent tooth in the child’s mouth that grows without the need for milk teeth. The age of molar teeth eruption in children of this type is usually between 11 and 13 years old. Finally, it is the turn of the last tooth, that is, the wisdom tooth, which sprouts and grows between the ages of 17 and 21. Finally, by the end of 23 years, all 32 teeth of a person have grown and developed.

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