Question 553 · LDEK · Etiology and pathogenesis of caries
Select the correct statement describing root caries:
1) active lesions are located close to the gingival line;
2) in an early root carious lesion there is an absence of a highly mineralized surface layer;
3) root carious lesions are less resistant to mechanical injury;
4) compared with enamel caries, in root caries subsurface bacterial invasion occurs at a later stage.
The correct answer is:
2) in an early root carious lesion there is an absence of a highly mineralized surface layer;
3) root carious lesions are less resistant to mechanical injury;
4) compared with enamel caries, in root caries subsurface bacterial invasion occurs at a later stage.
The correct answer is:
- A. 1,2.
- B. 2,3.
- C. 3,4.
- D. 1,3.
- E. 1,4.
Hint
Compare the mineral content of root cementum and dentin with enamel and consider how quickly bacteria penetrate each tissue.
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
- Select the correct statement about risk factors for caries:
- Toothpastes with a fluoride content as high as 1.1% are recommended in patients:
- Indicate the false statement describing the protective functions of saliva in the context of initiation of carious process:
- Indicate the correct statement describing the cold flowable gutta-percha technique used for canal filling:
- Indicate the correct statement about occult caries:
- According to the Dean’s Fluorosis Index, which fluorosis severity level is characterized by opaque (paperwhite) areas involving over 50% of the…