Question 34 · LDEK · Tooth discoloration and bleaching
Which of the following are the contraindication to teeth whitening using the overlay method?
1) dentinal hypersensitivity;
2) gum recession;
3) porcelain veneer;
4) all-ceramic crown;
5) pregnancy;
6) metal crown.
The correct answer is:
2) gum recession;
3) porcelain veneer;
4) all-ceramic crown;
5) pregnancy;
6) metal crown.
The correct answer is:
- A. 1,2,5.
- B. 1,3,6.
- C. 2,3,4.
- D. 2,3,5.
- E. 4,5,6.
Hint
Distinguish real contraindications (risk to the patient) from restorations that simply will not change colour.
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
- What is the maximum acceptable distance between the tip of the cone and the preparation range visible on the X-ray taken before the root canal…
- Why is the rubber dam in dark colors preferred when carious lesions are prepared and filled?
- Which factor is meaningless when it comes to assess the risk of new carious lesions?
- What is the main advantage of titanium nitride coated instruments used for filling cavities with composite materials?
- Indicate the true statements concerning instruments used for the preparation of root canals:
- The highest probability of incomplete analgesia, despite applying proper anesthesia techniques in the case of irreversible pulpitis is in the tooth: