The fourth dimension of the face: a preliminary report of growth potential in the face of the Chinese population of Singapore.

Age-related changes were studied in 32 linear measurements from the faces of 180 healthy Chinese subjects of Singapore, aged 6, 12 and 18 years, with equal representation of the sexes. In addition, the differences in 10 inclinations and 6 angles of the facial profile between thirty 6-year-olds and thirty 18-year-olds of each sex were determined. The total absolute and relative growth between 6 and 18 years was established and, in the linear measurements, the relative increments were separately calculated for the 6- to 12-year-old and 12- to 18-year-old periods.