Презентация на тему по английскому языку на тему Структура зубов

б –fangs;
в-small indigenous; г –great root.

Incisors and canines for biting food; small and large molars for grinding, chewing and grinding food

some features: they are smaller, have fewer tubercles and

diverging roots, between which lie the beginnings of the permanent teeth. The number of roots in primary and permanent teeth are equally

10 - 12 months
12 - 16 months
16 - 20

months

24 - 30 months

it is often not enough space in the current

row of teeth, which can cause complications. Improper tooth eruption may be accompanied by inflammatory diseases. In the soft tissue surrounding the tooth, when the injury can penetrate the infection. The inflammation may go on deep tissue, causing periodontitis. The signs of inflammation are redness and swelling of the gums around the tooth, odor, pain.

vessels
8

organs

teeth to be cleaned by sweeping strokes from the

gums. The chewing surfaces brush and circular back and forth motions. For the proper quality of cleaning teeth, the main factor is not this effort and the thoroughness of the procedure.

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