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Beginning | |
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EXIT OF TEETH | |
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They begin the children after the teeth go out from 6 months of life, although the moment of eruption of the teeth is much more variable than other parameters of the development, owed principally to genetic and familiar factors.
The eruption of the senile teeth or the first teething extends up to two years and a half, when there appears the 20th piece, which is the second molar.
This teething period coincides with the epoch that more the children fall ill (diarrheas, infections of diverse nature, etc.), and that's why one relates him so often to illness. The teething is a part of the process of growth and development and there is no reason so that it hurts. Nevertheless, it is frequent that the eruption of the first teething collaborates with irritability of the nursing one.
The eruption of senile teeth is similar in both sexes; the permanent teeth tend to appear more precozmente in the women.
There is not infrequent the presence of supernumerary teeth (of more), or his congenital absence.
SENILE TEETH
(nº=20)Nº
MOMENT ERUPTION
PERMANENT TEETH
(nº=32)Nº
MOMENT ERUPTION
Low central incisors
2
5-9 months
The first molars
4
5-7 years
Top central incisors
2
8-12 months
Incisors
8
6-8 years
Top side incisors
2
10-12 months
Premolars
8
9-12 years
Low side incisors
2
12-15 months
Canine
4
10-13 years
The first premolars
4
10-16 months
The second molars
4
11-13 years
Canine
4
16-20 months
Third molars
4
17-25 years
The second premolars
4
20-30 months
