Growth and dev/ dental implant courses by Indian dental academy

GENETIC FACTORS: Genetic control influences the size of the organism to a great extent and the rate of the onset of growth event. Not all genes are active at birth.

It is believed that size at birth relates to about 18% to ď ą the genome of the fetus, 20% to the maternal genome, 32% maternal environmental factors, and the remaining 20% to unknown factors.

After birth infants growth rate is no longer dependent on maternal factors but increasingly related to his own genetic makeup.

In 1-2 yrs, post natal shift has a significant relationship to the genetic background of the child, reflective of mid parental height.

During adolescence, growth correlates with the prenatal size more strongly. Hence the size of the parents can be considered as a best indicator of the eventual predicted size of a www.indiandentalacademy. newborn baby. com