Monday, 23 July 2012
What are the teeth most frequently affected by caries?
More caries affected teeth of the upper jaw, the teeth than the lower jaw. According to some researchers it is because of the lower jaw teeth are in constant motion, thus they are best cleaned of food residue and it fixes the conditions for the occurrence of dental caries.
Of all the teeth most often affected six. This is due, apparently, because they are cut first. In second place are seven, the third - four, five, and the upper incisors, the fourth - teeth (three). Front teeth affected by caries of the lower jaw is very rare. In the localization of cavities in the teeth there is a certain regularity. So when caries lesions molars (six, seven, eight), the process begins at the chewing surfaces, grooves, or contact (side) surfaces. Canines are most frequently affected by caries in the necks of the teeth. On the tops of hills and cutting surfaces of the cavities does not occur.
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