🗊Презентация The classification of the tooth

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The classification of the tooth, слайд №1The classification of the tooth, слайд №2The classification of the tooth, слайд №3The classification of the tooth, слайд №4The classification of the tooth, слайд №5The classification of the tooth, слайд №6The classification of the tooth, слайд №7The classification of the tooth, слайд №8The classification of the tooth, слайд №9The classification of the tooth, слайд №10The classification of the tooth, слайд №11

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Karaganda State Medical University
 The chair of foreign languages


The classification of the tooth.

Made by: Nasretdinova D.R.
Checked by : Dashkina T.G.
Описание слайда:
Karaganda State Medical University The chair of foreign languages The classification of the tooth. Made by: Nasretdinova D.R. Checked by : Dashkina T.G.

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Teeth of humans are small, calcified, whitish structures found in the mouth that are used to break down food. The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums. Teeth are made of multiple tissues of varying density and hardness.
Описание слайда:
Teeth of humans are small, calcified, whitish structures found in the mouth that are used to break down food. The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums. Teeth are made of multiple tissues of varying density and hardness.

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The classification of the tooth, слайд №3
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The anatomic crown of a tooth is the area covered in enamel above the cementoenamel junction (CEJ) or "neck" of the tooth. Most of the crown is composed of dentin (dentine in British English) with the pulp chamber inside. The crown is within bone before eruption. After eruption, it is almost always visible. The anatomic root is found below the CEJ and is covered with cementum. As with the crown, dentin composes most of the root, which normally have pulp canals. A tooth may have multiple roots or just one root (single-rooted teeth). 
The anatomic crown of a tooth is the area covered in enamel above the cementoenamel junction (CEJ) or "neck" of the tooth. Most of the crown is composed of dentin (dentine in British English) with the pulp chamber inside. The crown is within bone before eruption. After eruption, it is almost always visible. The anatomic root is found below the CEJ and is covered with cementum. As with the crown, dentin composes most of the root, which normally have pulp canals. A tooth may have multiple roots or just one root (single-rooted teeth).
Описание слайда:
The anatomic crown of a tooth is the area covered in enamel above the cementoenamel junction (CEJ) or "neck" of the tooth. Most of the crown is composed of dentin (dentine in British English) with the pulp chamber inside. The crown is within bone before eruption. After eruption, it is almost always visible. The anatomic root is found below the CEJ and is covered with cementum. As with the crown, dentin composes most of the root, which normally have pulp canals. A tooth may have multiple roots or just one root (single-rooted teeth). The anatomic crown of a tooth is the area covered in enamel above the cementoenamel junction (CEJ) or "neck" of the tooth. Most of the crown is composed of dentin (dentine in British English) with the pulp chamber inside. The crown is within bone before eruption. After eruption, it is almost always visible. The anatomic root is found below the CEJ and is covered with cementum. As with the crown, dentin composes most of the root, which normally have pulp canals. A tooth may have multiple roots or just one root (single-rooted teeth).

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Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots. Maxillary molars usually have three roots. Additional roots are referred to as supernumerary roots. Humans usually have 20 primary (deciduous or "baby") teeth and 32 permanent (adult) teeth. 
Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots. Maxillary molars usually have three roots. Additional roots are referred to as supernumerary roots. Humans usually have 20 primary (deciduous or "baby") teeth and 32 permanent (adult) teeth. 
Teeth are classified as incisors, canines, premolars, and molars. Incisors are primarily used for biting pieces from foods such as raw carrots or apples and peeled but uncut bananas, while molars are used primarily for grinding foods after they are already in bite size pieces inside the mouth. Most teeth have identifiable features that distinguish them from others.
Описание слайда:
Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots. Maxillary molars usually have three roots. Additional roots are referred to as supernumerary roots. Humans usually have 20 primary (deciduous or "baby") teeth and 32 permanent (adult) teeth. Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots. Maxillary molars usually have three roots. Additional roots are referred to as supernumerary roots. Humans usually have 20 primary (deciduous or "baby") teeth and 32 permanent (adult) teeth. Teeth are classified as incisors, canines, premolars, and molars. Incisors are primarily used for biting pieces from foods such as raw carrots or apples and peeled but uncut bananas, while molars are used primarily for grinding foods after they are already in bite size pieces inside the mouth. Most teeth have identifiable features that distinguish them from others.

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The classification of the tooth, слайд №6
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There are several different notation systems to refer to a specific tooth. The three most common systems are the FDI World Dental Federation notation, the universal numbering system, and Palmer notation method. The FDI system is used worldwide, and the universal is used widely in the United States.
There are several different notation systems to refer to a specific tooth. The three most common systems are the FDI World Dental Federation notation, the universal numbering system, and Palmer notation method. The FDI system is used worldwide, and the universal is used widely in the United States.
Описание слайда:
There are several different notation systems to refer to a specific tooth. The three most common systems are the FDI World Dental Federation notation, the universal numbering system, and Palmer notation method. The FDI system is used worldwide, and the universal is used widely in the United States. There are several different notation systems to refer to a specific tooth. The three most common systems are the FDI World Dental Federation notation, the universal numbering system, and Palmer notation method. The FDI system is used worldwide, and the universal is used widely in the United States.

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Sequence of tenses - this time dependence of the verb of the subordinate clause from the time of the verb of the main clause.
Sequence of tenses - this time dependence of the verb of the subordinate clause from the time of the verb of the main clause.
If the verb-predicate of the main clause is in a form of the past tense - the predicate verb of the subordinate clause (mainly izjasnitelnyh) also stands in one of the forms of the past tense.
She asked what he was doing in her room. — Она спросила, что он делает в ее комнате.
Не said that he knew my friend. — Он сказал, что он знает моего друга.
Описание слайда:
Sequence of tenses - this time dependence of the verb of the subordinate clause from the time of the verb of the main clause. Sequence of tenses - this time dependence of the verb of the subordinate clause from the time of the verb of the main clause. If the verb-predicate of the main clause is in a form of the past tense - the predicate verb of the subordinate clause (mainly izjasnitelnyh) also stands in one of the forms of the past tense. She asked what he was doing in her room. — Она спросила, что он делает в ее комнате. Не said that he knew my friend. — Он сказал, что он знает моего друга.

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If the action of the subordinate clause occurs simultaneously with the main action, the verb of the subordinate clause is used in the Past Simple or Past Progressive. 
If the action of the subordinate clause occurs simultaneously with the main action, the verb of the subordinate clause is used in the Past Simple or Past Progressive. 
Не said that they played football on Sundays. — Он сказал, что они играют в футбол по воскресеньям.

She said that he was reading a newspaper. — Она сказала, что он читает газету.
Описание слайда:
If the action of the subordinate clause occurs simultaneously with the main action, the verb of the subordinate clause is used in the Past Simple or Past Progressive. If the action of the subordinate clause occurs simultaneously with the main action, the verb of the subordinate clause is used in the Past Simple or Past Progressive. Не said that they played football on Sundays. — Он сказал, что они играют в футбол по воскресеньям. She said that he was reading a newspaper. — Она сказала, что он читает газету.

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If the action of the subordinate clause is the future in relation to the action of the main clause, the verb of the subordinate clause is used in the form of Future-in-the Past (cm. Grammar Notes).
Не said that he would help him. — Он сказал, что поможет ему.
Описание слайда:
If the action of the subordinate clause is the future in relation to the action of the main clause, the verb of the subordinate clause is used in the form of Future-in-the Past (cm. Grammar Notes). Не said that he would help him. — Он сказал, что поможет ему.

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The classification of the tooth, слайд №11
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