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VII. Answer the questions.

1. Do the teeth remain unchanged throughout life?

2. What are these changes produced by?

3. What does physiologic use produce if it is increased?

4. How is physiologic use of the teeth to be looked at?

5. What is the process of the formation of dentine and cementum characterized by?

6. Does enamel change its histologic structure?

7. What are changes of the dentin brought about?

8. What does the pulp show with the increasing age?

9. What about cementum?

10. What changes does the periodontal membrane undergo with age?

VIII. Complete the following sentences.

1. Changes occur in teeth …

2. These changes are produced by …

3. Increased physiologic use produces …

4. Physiologic use of the teeth is to be looked at as …

5. Enamel of the tooth becomes more highly calcified especially …

6. Changes of the dentine are brought about by …

7. Sclerosed dentine is the result of …

8. With increasing age pulp shows …

9. Cementum may …

10. The periodontal membrane changes …

IX. Make up questions to the underlined words.

1. The teeth undergo marked changes in a lifetime.

2. The enamel of the tooth shows no evidence of a changed histologic structure.

3. Changes in the dentine are brought about by maturation of the teeth.

4. The sclerosed dentine is the result of hypercalcification of the matrix.

5. With increasing age the pulp shows the tendency to atrophy.

6. This is due to a decrease of the blood supply.

7. The periodontal membrane changes in size with age.

X. Translate the following combinations of words.

прорезавшиеся зубы, зубная дуга, изменения происходят в течение жизни, процесс старения, стираемость, переход в патологическое состояние, преувеличиваться и сопровождаться осложнениями, стимулирующее влияние, расположение зубных и периодонтальных тканей, признак изменения, созревание зуба, отложения в просвете зубного канала, подвергаться процессам, кровоснабжение, сужение апикального отверстия, изменения размера

XI. Translate the following sentences.

1. Изменения в зубах после прорезывания происходят в течение всей жизни.

2. Эти изменения вызваны процессом старения и стираемости.

3. Эти изменения нужно рассматривать как переход из нормального состояния в патологическое.

4. Изменения могут сопровождаться осложнениями.

5. Эмаль зуба становится более кальцифицированной, особенно на поверхности.

6. Изменения дентина вызваны созреванием зуба.

7. Изменения пульпы обусловлены снижением кровоснабжения, связанного с сужением апикального отверстия.

XII. Read the text and answer the questions below.

Adult Orthodontics

Although crowns and bridges may work wonders for some patients such procedures won’t help those with protruding or crowded teeth. Orthodontic treatment is the answer here.

Many adults seek care simply because they want a more attractive smile. However, orthodontic problems affect more than just a person’s appearance. Crooked, crowded or protruding teeth are harder to clean and the consequence could be more tooth decay or periodontal disease. if chewing is difficult because teeth are not properly aligned there is a tendency to choose softer foods often at the expense of nutrition. Misaligned teeth can also create tension and pain in the jaw joints because of the extra stress placed on chewing muscles. They can cause abnormal wear of teeth and lead to emotional problems due to their effect on speech and unattractive appearance.

Questions:

1. Do crowns and bridges work wonders for patients in all cases?

2. Why do many adults seek orthodontic care?

3. Do orthodontic problems affect only appearance of the patient?

4. What could the consequence of crooked, crowded and protruding teeth be?

5. What teeth can create tension and pain in the jaw joints?

6. What abnormalities do misaligned teeth cause?