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Question 474 · LDEK · Non-carious lesions of dental hard tissues

Choose correct combination of etiologic factors and changes they foster:

1) bacteria;
2) acidic food and drinks;
3) excessive and incorrect teeth brushing;
4) excessive use of tooth picks;
5) gastroesophageal reflux. a) erosion; b) caries; c) abrasion.
The correct answer is:
  1. A. a-2,5; b-1; c-3,4.
  2. B. a-1,2; b-3; c-4,5.
  3. C. a-2,3; b-5, c-1,4.
  4. D. a-1; b-2,3,4; c-5.
  5. E. a-4,5; b-1,2; c-3.
Hint

Sort the causes by mechanism: non-bacterial acids, bacterial biofilm, and mechanical friction with foreign objects.

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