2472. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

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A. 3-6 years
B. 7-10 years
C. 11-14 years
D. 15- 18 years
✅ The correct answer is option B. 7-10 years.

All of the following statements are true for zinc oxide eugenol cements except______________?

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A. Equal lengths of base paste and accelerator paste are mixed together until the mix has a uniform colour
B. Increase in temperature and humidity shorten the setting time
C. The mix appear thick at the start of mixing but after 30 seconds of additional spatulation it becomes more fluid
D. Water accelerates but heat retards the setting of zinc oxide eugenol cements
✅ The correct answer is option E. Both C & D.