Презентация на тему по английскому языку на тему Структура зубов

Слайд 1 Structure and function of the teeth.
Dental hygiene
Yamchikova Dasha

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Слайд 2 Classification of teeth
а –cutters;

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

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

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Слайд 3 Milk teeth and the permanent teeth
Milk teeth are 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

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Слайд 4 The appearance of the teeth
7- 9 months
10 -

12 months

12 - 16 months

16 - 20 months

24 - 30 months

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Слайд 5 Wisdom teeth
When a wisdom tooth begins to grow, 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.

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Слайд 6 The structure of the teeth
Crown
Neck
Root
Tooth pulp
Dentin
Enamel
2
3
1
4
5
6
Cement
7
Nerves and blood vessels
8

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Слайд 7 Dental disease
Stage of development of caries
Infection to internal organs

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Слайд 8 Dental hygiene
The buccal and lingual surfaces of the 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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Слайд 9 thank you for your attention

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Слайд 10

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Слайд 11

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Слайд 12

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Слайд 13

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Слайд 14

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Слайд 15

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