Which statement is correct about decidous dentition?
Correct answer: B. Mandibular first molar erupts at one and half years of age
- 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
Explanation
The mandibular primary first molar usually erupts at about 13 to 19 months, making one and a half years a suitable approximation. Primary teeth are generally whiter than permanent teeth, and their development begins in early fetal life rather than the tenth month.
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