Indicate the period of the morphogenesis.

Indicate the period of the morphogenesis.

• A. from 2 to 6 months in utero
• B. from 1 month in utero to adulthood
• C. from 2 weeks to 9 months in utero
• D. from 3 months in utero to adulthood

Answer: (D)

Morphogenesis is the stage in tooth development when the shape of the tooth is established—the crown pattern and the beginnings of root formation. This shaping begins in early fetal life and continues as teeth erupt and their roots mature, extending from the early months of pregnancy well into adolescence and beyond as final form is completed. So, the period from the third month in utero to adulthood best captures the entire window during which tooth morphology is formed and finalized. The other timeframes are either too narrow or begin too early to reflect the full span of morphogenesis.

Morphogenesis is the stage in tooth development when the shape of the tooth is established—the crown pattern and the beginnings of root formation. This shaping begins in early fetal life and continues as teeth erupt and their roots mature, extending from the early months of pregnancy well into adolescence and beyond as final form is completed. So, the period from the third month in utero to adulthood best captures the entire window during which tooth morphology is formed and finalized. The other timeframes are either too narrow or begin too early to reflect the full span of morphogenesis.