Question 431 · LDEK · Etiology and pathogenesis of caries
Which of the following concerning the acquired pellicle (pellicle) is true?
1) it is an acellular, protein membrane seal;
2) it is an inorganic membrane seal precipitating from saliva minerals;
3) its initial colonizer is S. sanguinis;
4) it forms in 24-48 hours after mechanical cleaning of teeth.
The correct answer is:
2) it is an inorganic membrane seal precipitating from saliva minerals;
3) its initial colonizer is S. sanguinis;
4) it forms in 24-48 hours after mechanical cleaning of teeth.
The correct answer is:
- A. 1,3.
- B. 1,4.
- C. 2,3.
- D. 2,4.
- E. 3,4.
Hint
Recall what the pellicle is made of, which bacteria attach to it first, and how quickly it reforms after cleaning.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Conservative dentistry
- Indicate the true statements concerning the usage of spreaders in the endodontic treatment:
- Select the false sentences concerning the elements of saliva:
- What is the role of saliva lipases?
- Which of the following is not radiolucent on X-ray?
- Which of the following does not worsen chronic apical periodontitis?
- Indicate the true statements on the inflammatory cervical resorption: