Question 227 · LDEK · Cavity preparation
Which tooth sites are affected with caries in the cavities class I according to Black?
1) occlusal surfaces of the posterior teeth;
2) incisal edges of the front teeth;
3) cusp tip regions of the posterior teeth;
4) palatal surfaces of upper molars;
5) lingual surfaces of lower molars;
6) pits and fissures associated with additional cusps.
The correct answer is:
2) incisal edges of the front teeth;
3) cusp tip regions of the posterior teeth;
4) palatal surfaces of upper molars;
5) lingual surfaces of lower molars;
6) pits and fissures associated with additional cusps.
The correct answer is:
- A. 1,2,4.
- B. 1,4,5.
- C. 1,4,6.
- D. 2,3,4,5.
- E. 2,4,5,6.
Hint
Black class I covers pits and fissures; incisal edges and cusp tips belong to a separate class added later.
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