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Vocabulary. 1) Match the words to their definitions

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1) Match the words to their definitions. Say what types of caries do you know.

 

  A - Calcium -   B - Calculus –   C – Aerobic bacteria –   D – Caries –   E – Demineralization –   F – Secondary caries –   G – Root caries -   1 – bacteria that require oxygen for survival   2 – a progressive destruction of any kind of bone structure, including the skull, ribs, teeth, and other bones.   3 – the fifth most abundant element by mass in the human body and a major component of the teeth   4 – caries located on the root (cementum) of a tooth, which frequently increases with age due to increased gingival recession, or exposure of root surfaces   5 – the loss of mineral from the tooth because of bacterial acids, acid foods (soft drinks, acid juices, etc), or even toothbrushing abrasion.   6 – caries that develop around a restoration.   7 – calcified deposits on the teeth, formed by the continuous presence of dental plaque, sometimes called tartar.    

 

2) Label the picture

 

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