Презентація на тему «Teeth»


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Презентація на тему «Teeth» - Слайд #1

Teeth
Performed:
Lubomir Kovalchuk


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Презентація на тему «Teeth» - Слайд #2

Teeth - bone formation in the oral cavity of vertebrates, and are used to rozkushuvannya chewing food, and to attack and defense.


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Презентація на тему «Teeth» - Слайд #3

They are located in the cells of the jaws and communicating with their connections, which are a kind of shock absorbers during chewing. In 32 adult teeth: two incisors, one canine, two premolars and three molars on each side of each jaw.


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Презентація на тему «Teeth» - Слайд #4

Cutters have cutting edge to nibble food, canines tear food and lowercase molars crush and grind it. Due to the increased surface grinding food digestive enzymes that facilitate digestion.


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Презентація на тему «Teeth» - Слайд #5

The structure of the tooth - anatomy - isolated crown, neck and root.


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Презентація на тему «Teeth» - Слайд #6

Crown - this is the part which is partially or completely protrudes above the gum after eruption. External hard dental crown is covered with enamel, comprising a compound florets. Under it is a dense substance similar to bone (dentin). The root is surrounded by a layer of special material - dental cement, by which it is attached to the jaw bone


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Презентація на тему «Teeth» - Слайд #7

inside the tooth cavity filled with pulp formed by loose connective tissue that contains blood vessels and sensory nerves.


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Презентація на тему «Teeth» - Слайд #8

Caries
Cavities - pathological process is the gradual destruction of bone tissue or teeth.


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Презентація на тему «Teeth» - Слайд #9

Reason dental bone - dystrophic or infection in the bone or nadkostnytsi, leading to necrosis of bone sections with subsequent absorption or rejection of dead mass and bone formation defect. Cavities can accompany some specific inflammatory processes (eg, tuberculosis, syphilis)


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Презентація на тему «Teeth» - Слайд #10

Thank you!


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