A. Calcification of maxillary primary first premolar is completed at birth
B. Mandibular first molar erupts at one and half years of age
C. The crowns of primary dentition are more yellowish than permanent
D. The primary dentition is initiated at 10th month in uterus
Correct Answer: Mandibular first molar erupts at one and half years of age ✔
Last Updated: February 07, 2020