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Пособие для ЗУБОТЕХНИКОВ (ЗТО) (СОМК).doc
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and lymphatic vessels which are used to transport white blood cells (will have degenerated, will degenerate, will have been degenerated) too. 4. If the dentist (has numbed, numbs up, had numbed up) your tooth on which he is performing root canal treatment you (are, will be, have been) more at ease and relaxed. 5. Usually it (is taking, takes, has taken) the placement of several cones until the interior of the tooth (has filled, was filled, has been filled).

9. Answer the questions to the text:

  1. What's the aim of numbing up a tooth? How can it be performed?

  2. What's a rubber dam? What's the aim of stretching a rubber dam around your

tooth?

  1. Why should the dentist make an access hole in a tooth? Where must it be made?

  2. What does the cleaning process involve? What's the aim of using root canal

files?

  1. How can the dentist determine the length of a root canal?

  2. Can a dentist treat tooth's canals during one appointment or does it take several days? What does it depend on?

  3. What's the most common root canal filling material used by dentist nowadays? What does it usually come in?

  4. What's an alternative to preformed cones? Why is it necessary to prewarm a tube of gutta percha?

  5. What's the final step of root canal treatment?

  1. What are the main procedures of root canal treatment? What instruments do these actions involve?

  2. Make an abstract of the text about root canal treatment using phrases:

It is shown that ...,

… are considered…

This text deals with/describes…

It is pointed out that…

It is stressed that…

It should be remembered that…

There is no doubt that…

Special attention is given to ...

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