The development of young children occurs in a similar scenario. Approximately at the same time they begin to sit, walk, utter their first word. It is generally accepted that the first teeth of infants should also appear at a certain age.
In practice, things are somewhat different. At one kid in 6 - 7 months already it is visible a pair of teeth, and even it is more. And at another in 10 months only the first tooth is just erupted.
Why does this happen? How many baby teeth should a child have, what is considered the norm at this or that age?
Normal appearance of the first tooth at six months of age is considered normal. The harbinger of this is the formation of a small bulge, a tubercle, on the surface of the gums. After a while in this place the gum will become thinner, and through it the growing tooth will shine through. Complete eruption occurs when the gum tears, and the crown of the milk tooth appears on the surface.
In accordance with the
It used to be that later teething is a signal of delay in development. But by now it has been established that babies whose baby teeth began to appear belatedly do not lag behind their "toothy" peers.
Later, the eruption of the first teeth can be laid down at the genetic level, be a consequence of an infectious disease or a lack of vitamins. Earlier, the lower incisors appear most often. There are cases when a child was born with them.
In any case, up to 2.5 - 3 years, a person has 20 milk teeth:
This is their normal number. During the shift to permanent teeth, the same amount falls out and is replaced by new stronger teeth, plus another 8-12 teeth( including wisdom teeth).Thus, 20 teeth change in children.
There is a "mathematical" way of determining the normal number of teeth in a child of the first years of life. To do this, you need to subtract 4( n - 4) from its exact age in months. The resulting difference and shows how many teeth the child should have at the moment.
For the order of teething, see this video:
The difference in the duration of eruption of each pair of teeth in different children can reach 4-6 months. Therefore, the conditional schedule for their appearance does not contain the specific age of the child, but certain intervals.
So, how many teeth will the child have, depending on age:
Missing teeth are sure to break through. In extreme cases, you can visit the dentist and make sure that the baby and his teeth are all right.
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