[Width relationship between upper and lower anterior teeth]

This study deals with the relationship which exists between upper and lower anterior teeth. Measurements for the width of the upper central incisor, six upper anterior teeth and the six lower anterior teeth were drawn from 98 couple of casts taken from 50 female and 48 male age range 22-27 years old. Our results showed: A) A significant statistical difference exists between male and female regarding the width of upper and lower anterior teeth. B) There is no a statistical significant difference between these two groups regarding the width of the upper central incisor. C) There exists a relationship of 1.3 between upper and lower teeth. D) A relationship of 6.1 between upper anterior teeth to central upper incisor. E) A relationship of 4.7 between lower anterior teeth to upper central incisor.