DENTAL DEVELOPMENT, DENTAL AGE AND TOOTH COUNTS - A PROSPECTIVE LONGITUDINAL-STUDY OF PAKISTANI CHILDREN

A sample of 443 Pakistani infants from four different socioeconomic ar eas was followed longitudinally study the emergence of the primary tee th. The mean ages of emergence of the primary teeth, without regard wh at kind of tooth and dental ages of the primary teeth were calculated. The subjects showed no sexual dimorphism in the emergence times of th e primary teeth. The children from poor areas. were ahead by statistic ally significant differences from upper middle class, for emergence of the primary teeth 17-20. On comparison with Swedish standards (Hagg & Taranger, 1985) Pakistani children are delayed, by a statistically si gnificant difference, in the emergence of primary teeth 1-16, however, they were at par in the emergence of 17-20 primary teeth.