Missing teeth is what causes

Missing teeth, also known as malocclusion deformity, child growth and development is the process by congenital or acquired genetic factors, environmental factors, such as illness, bad oral habits, abnormal dentition as a result of the teeth.
By: Heacook
 
Oct. 12, 2011 - PRLog -- Missing teeth, also known as malocclusion deformity, child growth and development is the process by congenital or acquired genetic factors, environmental factors, such as illness, bad oral habits, abnormal dentition as a result of the teeth, jaws, the craniofacial deformity. Ningbo modern dental hospital caused by missing teeth cause analysis:

There are mainly missing teeth: dental malalignment, the upper and lower dental arch relationship between the occlusal abnormalities, jaw size and shape of abnormal position and so on.

The incidence of malocclusion deformity usually genetic factors and acquired factors, factors into two categories. Genetic factors for the evolution and degradation of race, genetic factors accounted for about 30%. Acquired factors are the following:

1. Early loss of deciduous teeth: there will be lack of space, resulting in crowded dislocation. Meng lost lead role in the eruption of permanent teeth and can not be misplaced when the eruption.

2. Bad habits: habits of the majority of suck that tongue habits, Yaochun habit, habit of biting objects, stretch jaw habits, bad habit of swallowing, unilateral chewing habits, and can cause a variety of malocclusion.

3. More teeth: teeth can cause multiple teeth, jaw disorder of the system kinetic energy form, between the more central incisor incisor teeth can lead to gap formation.

4. Congenital absence of teeth: more reasons for the development and embryo, the lack of third molars are mostly phylogenetic regression.

5. Deciduous teeth: an individual tooth fails to come off as deciduous teeth, can lead to blocked following the eruption of permanent teeth and for the ambush was, or dislocation eruption.

6. Rujian tooth wear enough: because children eat too soft, so some Rujian teeth wear more than other teeth, which arch above the tooth surface, resulting in early contact, causing the front or side movement, the formation of anti-teeth.
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Orthodontics Notes:http://ztdental365.blogspot.com/2011/10/orthodontics-note...
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Source:Heacook
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