Question 237 · LDEK · Structure of primary teeth
The fast progression of caries in milk teeth, comparing with permanent teeth, is due to:
1) twofold thinner layer of enamel in milk teeth;
2) bigger diameter of enamel prisms;
3) smaller content of mineral components in the enamel;
4) small number of interglobular spaces in the dentine;
5) smaller percentage of pits in the enamel;
6) double-layered structure of the enamel.
The correct answer is:
2) bigger diameter of enamel prisms;
3) smaller content of mineral components in the enamel;
4) small number of interglobular spaces in the dentine;
5) smaller percentage of pits in the enamel;
6) double-layered structure of the enamel.
The correct answer is:
- A. 1,3,6.
- B. 1,2,4,6.
- C. 1,3,4,5.
- D. 1,4,5,6.
- E. 1,3,4,5,6.
Hint
Focus on the enamel features of primary teeth: its thickness, mineral content and the neonatal line.
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