Question 173 · LDEK · Restorative treatment of immature permanent teeth
Indicate the true statements concerning air abrasion:
1) can remove enamel and dentine tissues as well as amalgam and composite restorations;
2) can be used as a diagnostic tool in the case of suspected caries in discolored fissures before their sealing. It may be used in a conservative preparation of initial caries changes;
3) replaces acid etching, necessary before dental adhesive system application;
4) is not harmful to the gums;
5) is harmful to the gums.
The correct answer is:
2) can be used as a diagnostic tool in the case of suspected caries in discolored fissures before their sealing. It may be used in a conservative preparation of initial caries changes;
3) replaces acid etching, necessary before dental adhesive system application;
4) is not harmful to the gums;
5) is harmful to the gums.
The correct answer is:
- A. 1,3,4.
- B. 1,2,3,5.
- C. 1,2,4.
- D. 2,3,5.
- E. 2,5.
Hint
Consider what air abrasion can and cannot achieve with respect to bonding, and how its effect on soft tissues is classically described.
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