CHILDREN'S TEETH – THE PROCESS OF GROWING AND REPLACED TEETH

BTV
21/10/2026
Many parents raising young children are very concerned about taking care of their children, especially the process of growing baby teeth and replacing baby teeth. There are many people who do not know how their child's teeth form, the time the teething process begins and ends, and the normal sequence of teething in children. To have the right perspective and equip yourself with knowledge when taking care of your child's teeth, please refer to the article below.

Changing and growing new teeth is a necessary development process for children

 

 

 

1. The process of forming children's teeth in the womb

 

 

The process of growing baby teeth is formed and begins while still in the mother's womb. The baby's teething process begins in the 6th - 7th week of pregnancy. Small, thin baby tooth buds begin to form, which is also the premise for baby teeth to grow later.

By the 20th week of pregnancy, tooth buds will form on both the upper and lower jaws. This process lasts until week 36, when the gums will be stronger. However, the tooth bud will stay in the gums until the baby is about 6 months old before it officially grows.

From week 20 to week 36 of pregnancy, the baby's tooth buds are formed

When women are pregnant, children can develop well, especially children's teeth It is necessary to pay attention to the mother's nutrition. Right from the moment of pregnancy, mothers should eat a full range of nutrients and eat twice as much as normal for both mother and child. The child's nutrition comes entirely from the mother through the umbilical cord. Nutrition at this time is extremely important, mothers need to increase calcium as well as necessary vitamins and nutrients to make their baby's bones and teeth strong from the beginning.

 

 

 

2. The process of teething in children after birth

 

 

Many parents are concerned about their baby's dental problems, from when teething begins, when baby teeth will end, and the order in which they grow. children's teeth how. When mothers clearly understand the order in which teeth grow, it will be easier to understand the process of changing their child's teeth. And have the best way to care for your child's teeth.

Every child has to go through their teething process in a certain order. Even though tooth buds are formed in the mother's womb, at birth, the baby's baby teeth have not yet completely emerged from the gums and only begin to grow the first teeth around the 6th month. There are cases where babies already have teeth when they are born, but this case is quite rare, only accounting for about 1/2000.

Around the 6th month after birth, children's teeth begin to grow

Order of children's teeth eruption

If the baby's milk teeth growth process is normal, the order of growth will be as follows:

  • Lower central incisors: from 5 - 8 months old.
  • Upper central incisors: From 7 - 9 months.
  • Lower lateral incisors: from 7 - 14 months old.
  • Upper lateral incisors: From 8 - 12 months old.
  • Lower first primary molars: From 12 - 20 months old.
  • Upper first primary molars: From 14 - 20 months old.
  • Lower primary primary molars: From 16 - 20 months age.
  • Upper baby molars: 18 - 24 months old.
  • Lower second baby molars: From 24 - 30 months old.
  • Upper second baby molars: From 24 - 30 months old.

Symptoms of teething in children

When children teethe, there are many different symptoms for each child that parents need to pay special attention to in order to be able to know and have ways to care for the child. best. Below are the symptoms of growing children's teeth:

  • Drooling
  • Rash on the chin and around the mouth
  • Coughing
  • Like biting, sucking on hands or objects that the child can get
  • In pain
  • Irritable
  • Refuses to feed
  • Diarrhea
  • Fever
  • Not sleeping well
  • There may be lumps in the gums
  • Pulling ears, rubbing cheeks with hands

 

 

 

3. The process of replacing children's teeth

 

 

Children's teeth are milk teeth that begin to loosen and fall out on their own to make room for permanent teeth when the child turns 6 years old. The time for each child may be different and may be slower or earlier, for example, girls often change their baby teeth earlier than boys. The last baby teeth are replaced around age 12 or 13.

Children's teeth show signs of falling out and baby teeth are replaced from around age 6

Normally baby teeth will loosen and fall out in the order in which they grow – first the two lower incisors, followed by the two upper incisors, the lateral incisors, the first molars, the canines and the second molars. In case your child loses a baby tooth early due to tooth decay or some accident, the permanent tooth may grow early and may be crooked because there is not enough room for that tooth to grow.

Some children feel excited about replacing baby teeth, while some are worried and scared about this. If your child wants you to pull a loose tooth, a baby tooth wait is necessary Wiggle it gently to remove pain and avoid teeth that are pulled out early and take longer to grow. When  pulling, grasp the tooth firmly with a tissue or gauze pad and pull it out quickly. If the tooth is still tight, wait a few days and try again. If you are still worried that this baby tooth is not loose enough, go to the dentist to ask the doctor about your child's teeth. The doctor can advise you on how to monitor the tooth or advise you to have the tooth extracted at the dentist's office. In addition, if you are looking into dental implants then come to Lac Viet Intech right away!

Details of replacement time children's teeth

Lower teeth Upper teeth
Tooth type Time to replace Type of tooth Time to replace
Central incisors 6 – 7 years old Central incisors 7 age
Lateral incisors 7 – 8  years Lateral incisors 8 years
1st molars 9 – 10 years 1st molars 11 – 12 years
Canines 10 – 11 years Canines 11 – 12 years
2nd molars 11 years Molars 2 12 years old

If you are raising a child, you need to know the basic knowledge about the baby's teething and changing times, and know the signs of the growth of children's teeth to have the best way to care for your child. If you need help, please contact Lac Viet Dental Clinic immediately to get the most accurate advice from leading children's teeth experts.

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