Question 143 · LDEK · Developmental disorders of teeth
Which of the following sentences concerning molar-incisor hypomineralization are true?
1) it presents itself as a localized opacity, discoloration or enamel loss;
2) it presents itself only as a localized discoloration;
3) all of the first permanent molars are involved;
4) one or more permanent molars or incisors may be involved;
5) is connected with a developmental defect in the first year of life.
The correct answer is:
2) it presents itself only as a localized discoloration;
3) all of the first permanent molars are involved;
4) one or more permanent molars or incisors may be involved;
5) is connected with a developmental defect in the first year of life.
The correct answer is:
- A. 1,4.
- B. 1,4,5.
- C. 2,4.
- D. 2,3,5.
- E. 2,4,5.
Hint
Consider how variable the number of affected teeth is in MIH and how long the critical period of first molar crown mineralization lasts.
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